—Please wait here. I'll come back soon.

—All right. We won't leave              you come back. [ ]

A. since

B. until

C. while

D. as

青春期抑郁症的治疗为（）

A.苯妥英钠

B.哌醋甲酯

C.以心理治疗为主，配合药物治疗

D.氯丙嗪

E.以药物治疗为主，配合心理治疗