Answer:
A. When the author shows characters traits through words and actions.
Explanation:
The introduction (first sentence), explaining the desire to form a more perfect union.
"We the people of the United States, in order to form a more perfect union..."
The correct answer is C) Thoughtful. Hope this helps.
The correct answer is C because it is the only option where a verb agrees with its compound subject correctly.
In A, it should be 'have eaten', because there are two subjects, 'a robin' and 'a sparrow'.
In B it should be 'are nominees', because there are two of them.
In D, neither goes with a singular verb.