---Did Peter fix the computer himself?

---He     , because he doesn’t know much about computers.

A．has it fixed

B．had fixed it

C．had it fixed

D．fixed it

对眼组织破坏力极强，感染后产生大量黄绿色脓性分泌物（）

A.单纯疱疹病毒

B.丝状真菌

C.淋球菌

D.绿脓杆菌

E.棘阿米巴