He had written the book before he ---.

A    retired

B    had retired

C    has retired

D    will be retired

Solution

Correct Answer: Option A

 

Before এর আগে past perfect tense (sub+had+past participle) হয়, পরের অংশ past indefinite tense হয়। After এরপর past perfect tense (sub+had+past participle) হয়, আগের অংশ past indefinite tense হয়।

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