— What ________ did the country leave you after a year of your staying there?

— Well, I think what ________ me most was the friendliness of the people there. [ ]

A . impression; impressed

B. was impressed; impressed

C. was impressed on; impressing

D. had impressed; was impressed

治疗口腔单纯性疱疹的最有效药物是（）。

A.青霉素

B.考地松

C.阿司匹林

D.阿昔洛韦

E.甲硝唑