The time is not far away _______ the news will be made known ________ will represent our company to attend the coming medical conference to be held in Beijing.

A．until; who

B．when; who

C．before; which

D．when; whenever

胎儿单侧肾盂积水，超声常同时发现

A.先天性巨大膀胱

B.多囊肾

C.膀胱过度充盈

D.输尿管肾盂接合处梗阻

E.对侧肾发育不全