SAT English Practice Question

The author describes the speaker’s emotional state as a mixture of excitement and anxiety. The speaker’s feelings are complicated by the anticipation of a possible change in the speaker’s relationship with the speaker’s family. What is the most likely reason the author provides these details?

1. A.create a sense of suspense and anticipation.
2. B.explain the speaker’s motivations.
3. C.show that the speaker is unreliable.
4. D.contrast the speaker’s current state with the speaker’s past.