问题补充:
The old man was so angry and spoke so fast that none of his children understood he said meant.
A. that, that
B. what. what
C. what
D. that
答案:
A. that, that
(答案→)B. what. what
C. what
D. that
解析:考查名词性从句。understood后是宾语从句,said缺少宾语,用what;meant“意味着”,缺少宾语,也用what。故选B。