It started to rain at 2 o’clock and it is still ra...

Câu hỏi: It started to rain at 2 o’clock and it is still raining.

A. It has been raining at 2 o’clock.

B. It has been raining since 2 o’clock.

C. It has been raining for 2 o’clock.

D. It has been raining in 2 o’clock.