My uncle arrived while I____

My uncle arrived while I_____ the dinner.

A would cook

B had cooked

C cook

D was cooking

Correct Answer: Option D

While এর পূর্ববর্তী clause টি past indefinite tense হলে while পরবর্তী clause টি past continuous tense হয়। সুতরাং সঠিক উত্তর (4) was cooking ।