David drove so fast; it was very dangerous. A. David drove so fast, which was very dangerous. B. David drove so fast and was very dangerous. C. David drove so fast, then was very dangerous

3452/5750

David drove so fast; it was very dangerous.

David drove so fast, which was very dangerous.

David drove so fast and was very dangerous.

David drove so fast, then was very dangerous.

David drove so fast that was very dangerous.

Giải thích

Đáp án A

Giải thích: It trong “it was very dangerous” thay thế cho cả mệnh đề “David drove so fast”. Viết lại câu đã cho bằng cách dùng mệnh đề quan hệ với which – which có thể thay thế cho mệnh đề đứng trước.