问题补充:
. Some of the scientists held the point the book said was right.
A. what what
B. that that
C. what that
D. that what
答案:
A. what what
B. that that
C. what that
(答案→)D. that what
解析:考查名词性从句。首先that后的从句解释前面的名词the point,是一个同位语从句,同位语从句的主语是主语从句,the book said 后缺少宾语,故用what,所以选D。