would be more convenient to place the toilets near the entrance to the cinema for disabled customers.
A. As
B. That
C. It
D. Which
网友回答
A. As
B. That
(答案→)C. It
D. Which
解析：考查it做形式主语的用法：句型：It +be+adj+to do sth，it是形式主语，不定式是真正的主语，句意：把厕所放在靠近电影院的入口对残疾人来说更方便。选C。