News came the H1N1 virus may spread more quickly than was thought.A. whenB. whereC. which

问题补充：

News came the H1N1 virus may spread more quickly than was thought.

A. when

B. where

C. which

D. that

答案：

A. when

B. where

C. which

(答案→)D. that

解析：考查名词性从句。句中that引导同位语从句，句意：消息来了，H1N1病毒比想象中的传播要快。