Either add the passage with the question so we know what you are referring to or do not post questions like these. Not everybody has read what you have. This question is completely useless and unanswerable without the story to go off of.
Answer: I can't stress this enough...
Read.
The.
Text.
Explanation: Your answer is in the story.
1. (D) The loneliness of human beings
2. (A) The heron feeding on the snake in the pond
3. (D) The rabbits are part of George and Lennie's dream of one day having a farm of their own
=)
The correct answers are:
B. He is a balding, middle-aged man who has many regrets.
D. He leads an uneventful life because he is afraid to take risks.
J. Alfred Prufock is a sad little man who is stuck in a rut - each day, he does the same things, and is never adventurous. He does want to change that - he wants to ask a woman to marry him, however decides against it because he is afraid of her rejecting him.