in the regulations is that you other people the password of your e-mail account．
A．What is required; not tell B As is required; shouldn't tell
C．It is required; not tell D．It requires; shouldn't tell
网友回答
解析：句意：在制度中你所被要求的就是你不应该告诉别人你的邮件密码。what为所字机构，作为主句的主语，即为主语从句，is之后为表语从句，句中有require要求，表语从句用虚拟语气should +动词原形，should可以省略，故选A