哪项是程序中一个能逻辑地分开的部分，也就是离散的程序单位，

A．模块

B．复合语句

C．循环结构

D．数据块

——Do you think it necessary that he ________ to Miami but to New York?

——I agree， but the problem is ________ he has refused to.

A．will not be sent; that

B．not be sent; that

C．should not be sent;what

D．should not send; what