–Excuse me, I’d like a pair of shoes.

－What about this _______? You can try ______ on.

A．one, it

B．pair, it

C．one, them

D．pair, them

睾丸急性肿痛且有明显压痛见于

A．睾丸肿瘤

B．急性睾丸炎

C．睾丸萎缩

D．睾丸结核

E．精索静脉曲张