It rained yesterday. We didn’t finish painting the...

Câu hỏi: It rained yesterday. We didn’t finish painting the walls.

A. Were it not to rain yesterday, we would finish painting the walls.

B. Only after it had stopped raining did we finish painting the walls.

C. Had it not rained yesterday, we would have finished painting the walls. 

D. Not until it rained yesterday did we finish painting the walls.