—What do you know about China?

— It's the one-child policy that has _____ controlling the population in China.[ ]

A. been good at

B. taken good care of

C. worked well in

D. got on well in

小儿结核病最严重的一种是

A．原发综合征

B．支气管淋巴结结核

C．粟粒性肺结核

D．结核性脑膜炎

E．结核性胸膜炎