While he --- along the road, a snake bit him.

A walked
B had walked
C was walking
D had been walking

Correct Answer: was walking

While এর পর verb আসলে verb + ing হয় কিন্তু sub আসলে sub. এর পর Past continuous হয়। সঠিক উত্তর হবে - was walking.
Bissoy MCQ

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