问题

Is it necessary that he ____ to London but to New York?– I think so, 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 sent; what
B:not be sent; that
C:should not be sent; what
D:should not sent; what
正确答案是: