一 I hear Liu Mei won the first prize in the national English competition.

一 Pretty good. I'm glad that her efforts at last _____. [ ]

A. worked out

B. got back

C. paid off

D. turned out

行 * * 剖宫取胎术适宜的时间是（）。

A.妊娠10～15周

B.妊娠15～20周

C.妊娠20～25周

D.妊娠25～30周

E.妊娠30～35周