—Do you know the mission of the volunteers?

—No. But I think _____ they will end up doing there will promote public awareness of environmental protection.

A．that

B．no matter what

C．whatever

D．whether

诊断重症肌无力通常主要依靠如下检查，但除外（）

A.患者的病史和临床表现

B.神经系统体检有疲劳试验阳性

C.服用抗胆碱酯酶有效

D.抗胆碱酯酶药物试验阳性

E.脑脊液检查