电话银行签约企业客户在电话银行中不能做下面哪种交易？（）
A、查询
B、现金空白支票口头挂失
C、修改电子银行密码
D、本行转账
参考答案：D
最易发生阴阳互损的脏是（）
A．心
B．肝
C．脾
D．肺
E．肾
Many students can't answer these questions ______ their teacher explains them. [ ]
A. so
B. before
C. after
D. because
