in the regulations that you should not tell other people the password of your bank account.
A. What is required
B. It is required
C. What requires is
D. It requires
网友回答
A. What is required
(答案→)B. It is required
C. What requires is
D. It requires
解析：这题考查的是固定句型：It’s required that+从句，that引导的是主语从句，it是形式主语。句意是：规定中要求，你不能告诉别人银行账户的密码。选B。