问题补充:
surprised me most was such a little girl of seven could play the violin so well.
A. That;what
B. What;that
C. That;that
D. What;what
答案:
A. That;what
(答案→)B. What;that
C. That;that
D. What;what
解析:what引导名词性从句在句中作主语,that引导表语从句,that只是引导词,不作句子成分。