—Where is your father?

—He_________ Australia and he ________ Sydney for two weeks.[ ]

A. has been to; has been in    

B. has gone to ; has been in

C. has been in; has been to    

D. has gone to ; has been to

在Java中语句，运算符&&实现( )。

A．逻辑或

B．逻辑与

C．逻辑非

D．逻辑相等