Context clues are little clues left in a text that allow you to infer the or come up witht he meaning of a certain word by reading the text and providing you with context, there are 4 kind of context clues:
Synonim, Antonym, Explanation, or Example.
In this case, the text uses words taht mean the same or are close to the meaning of Vapid to help you understand the word, Dull, Bored, are closely related to Vapid which means flat or with nothing interesting, that´s why the answer is Synonym.
All legislative powers herein granted shall be vested in a congress of the United States, which shall consist of a Senate and House of Representatives.
The House of Representatives shall be composed of members chosen every second year by the people of the several states, and the electors in each state shall have the qualifications requisite for electors of the most numerous branch of the state legislature.
No person shall be a representative who shall not have attained to the age of twenty five years, and been seven years a citizen of the United States, and who shall not, when elected, be an inhabitant of that state in which he shall be chosen.
Representatives and direct taxes shall be apportioned among the several States which may be included within this union, according to their respective numbers, which shall be determined by adding to the whole number of free persons, including those bound to service for a term of years, and excluding Indians not taxed, three fifths of all other persons.
I believe the correct answer is C. it makes a point without directly stating it. Satire is often used by authors who want to criticize something or someone without having to explicitly do that - they use metaphors in order to mock them without them realizing that they have been exposed to such ridicule. Boyle is trying to mock the government in his work by comparing its members to animals, which he does in order to conceal his true intentions.
According to Liza, "ladies" are cleaner than commoners because poor people do not have the luxuries that make bathing pleasant.
Liza says: "I tell you, it's easy to clean up here. Hot and cold water on tap, just as much as you like, there is. Woolly towels, there is; and a towel horse so hot, it burns your fingers. Soft brushes to scrub yourself, and a wooden bowl of soap smelling like primroses. Now I know why ladies is so clean. Washing's a treat for them. Wish they saw what it is for the like of me!"
This quote clearly states that, before the bath she was given by Higgins' housekeeper, bathing for her was not such a pleasant activity (probably she bathed with cold water and unscented sopa, if any.)