----Have you seen _____ pen? I left it here this morning.

----Is it ____ black one? I think I saw it somewhere.

A．a, the

B．the, the

C．the, a

D．a, a

肌痉挛不会出现在（）

A.脊髓灰质炎

B.脊髓完全性损伤

C.脑外伤

D.脑性瘫痪

E.去大脑强直