The hostess of the party who as a doctor for five years is president of a famous privat

问题补充：

The hostess of the party, who as a doctor for five years, is president of a famous private school.

A. worked

B. has worked

C. works

D. had worked

答案：

(答案→)A. worked

B. has worked

C. works

D. had worked

解析：考查时态。根据语境可知，女主人过去当医生五年，故用一般过去时，选A。