—Excuse me, could you tell me________ ?

— Wait a moment. It is coming in ten minutes.

A．where the next train will arrive

B．if the next train will arrive

C．how soon the next train will arrive

D．how often the next train will arrive

与重症肌无力的发病有关的抗体包括（）

A.乙酰胆碱受体结合抗体

B.乙酰胆碱受体调节抗体

C.乙酰胆碱受体封闭抗体

D.肌肉特异性酪氨酸激酶抗体

E.抗横纹肌抗体