---Your bedroom is so dirty. Would you please _______, Peter?

---OK, mum. I’ll do it right away.

A．set it up

B．put it on

C．pick it up

D．clean it up

跌倒时会阴部撞击于硬物上，出现排尿困难，不久出现阴茎阴囊、会阴和下腹壁肿胀，原因为（）

A.血肿

B.水肿

C.炎性肿胀

D.尿外渗

E.腹水漏出