She didn’t stop her car because she didn’t see the...

Câu hỏi: She didn’t stop her car because she didn’t see the signal.

A. If she saw the signal, she would have stopped her car.

B. If she had seen the signal, she would have stopped her car.

C. If she saw the signal, she would stop her car.

D. If she had seen the signal, she would stop her car.