A-A+
They tried to restrict access to ______ they b
问题详情
They tried to restrict access to ______ they believed to be dangerous areas.
A．which
B．what
C．that
D．everywhere
参考答案
正确答案：B
解析：名词性从句。access to意为“接近，靠近”，其中to为介词，后面跟宾语，故空格后为一个宾语从句，同时该宾语从句缺少主语，故填入what。
