Question

Where is the post office?

______
A: It is in the corner of Main Street and Washington Avenue.
B: Is near the bank.
C: It's between Main Street.
D: The post office is at 534 Washington Avenue.
E: They are between the bank and the supermarket.

Answer 1

The answer is D.

A incorrectly describes an intersection as a "corner"
B is missing the subject of the sentence
C is an incomplete comparison
E has incorrect pronoun usage.