问题补充:
At long last the child was found on top of we call the museum of science and technology.
A. which
B. that
C. what
D. where
答案:
A. which
B. that
(答案→)C. what
D. where
解析:句意:最后,这个孩子在我们称为是科技馆的顶上被找到了。这句话中的of后面接的是宾语从句,宾语从句中call后面接的是双宾语,而这里显然缺少一个宾语,所以用what连接宾语从句,选C。