---Where is your brother?    ---He is in Beijing. He _____ back in three days.

A．will come

B．comes

C．has come

D．came

不属于糖尿病性植物神经病变者是（）

A.体位性低血压

B.腹泻、便秘

C.尿潴留

D.肢体麻木，感觉过敏

E.多汗