Point out the sentence which is in past perfect tense.

Options

A. We were listening to the radio all evening
B. I had written my letter before he arrived
C. He studied many hours everyday.
D. It was getting darker

Answer

B

Explanation

In a past perfect sentence, actions are completed before some point in the past. It is only in option (b) that such a form of verb is use(d) Hence, option (b) is the correct answer.