I her voice at once on the phone though we hadn’t seen each other for ten years. A. hea

问题补充：

I her voice at once on the phone, though we hadn’t seen each other for ten years.

A. heard

B. knew

C. realized

D. recognized

答案：

A. heard

B. knew

C. realized

(答案→)D. recognized

解析：动词词义辨析题。A. heard 听见 B. knew 知道 C. realized意识到 D. recognized 认出句意为：虽然我们十年没有见面在电话里我一下子就听出了他的声音。根据语境选D