According to the excerpt, the option that identifies an implicit meaning one could draw from it would be the second one: "Locke is unfamiliar with the term <em>idea</em>".
In the excerpt, Locke is not asking what Idea is nor is he being uncertain about the relationship between speculative and practical ideas. He seems to never heard it before and the exact meaning fades away.
That's why he asks what it represents and not its definition or for someone to repeat the explanation. He just needs an example to clarify the boundaries of the <em>idea's</em> meaning.
Answer:
shamsher is the shotest by in the class
Answer:
A) I mean, come on, these parents need to wise up and not be so stupid about the measles! Is the correct answer.
Explanation:
The tone in the first option would be the proper one if the conversation were taking place among friends because it uses informal expressions and words that shouldn't be used when discussing a topic such as disease. So, if the passage is formal, the others fit so A is correct.