Scarcely had he completed his study___

Scarcely had he completed his study____ his mother called him.

A then

B when

C before

D as soon as

Correct Answer: Option B

Scarcely. when সাধারণত correlative conjunction হিসেবে জোড়া আকারে বসে। অর্থাৎ শূন্যস্থানে when বসবে।