—What do you think of the girl?

—Not only ________ well but also ________ modest.

A．she works；she is

B．does she work；she is

C．does she work；is she

D．she works；is she

对照组发病率/接种组发病率×100%（）

A．罹患率

B．疾病漏报率

C．疫苗效果指数

D．疫苗保护率

E．疫苗接种率