He was born on ______ winter morning in 2010, when ______most severe storm struck the city and caused hundreds of deaths.

A．a; the

B．the; the

C．a; a

D．the; a

WHO推荐的定性药敏试验方法是（）

A.纸片扩散法

B.常量肉汤稀释法

C.微量肉汤稀释法

D.琼脂稀释法

E.Etest法