-- 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

现场急救时，发现伤员腹部肌肉紧张疼痛时，可采用（）方法进行缓解。

A.抬起伤员腿部直至垂直状

B.将膝盖下垫高

C.将伤员抬至半坐状态

D.将伤员放至平躺状态