Rewrite the following sentence using the correct tense in simple past or past perfect of the verbs givenin the brackets:

I (put) the letter in a book and (go) out to play. Next day, when I (try) to find it in order to send a reply, it (take) me at least half an hour to trace it because I (forget) in which book I (put) it in.

A. put, went, tried, took, had forgotten, had put

B. put, going, taking, forgetting, put

C. put, had gone, tried, forget, put

D. put, went, try, take, forget, put

Answer: Option A