excited all Chinese and even all Asians most in the Athens Olympics was Liu Xiang wo

问题补充：

excited all Chinese and even all Asians most in the Athens Olympics was Liu Xiang won the gold medal of the mens 110m hurdles by clocking 12.91 seconds to equal the world record.

A. What; which

B. What; that

C. Which; what

D. Which; that

答案：

A. What; which

(答案→)B. What; that

C. Which; what

D. Which; that

解析：what和that都引导名词性从句，关键在于what还要充当句子成分。