She _____ her degree twenty years ago.

A ) Was completed

B ) Has completed

C ) Completed ✅

D ) Has been completing


Explanation: Here twenty years ago indicates past tense. We use second form of verb (completed) in simple sentence of this tense. She completed her degree twenty years ago means اس نے بیس سال پہلے اپنی ڈگری مکمل کی تھی