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
网友回答
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。