Rose didn't win at last,___she did her best A.though B.so C.and D.because

问题描述:

Rose didn't win at last,___she did her best A.though B.so C.and D.because
Rose didn't win at last,___she did her best
A.though B.so C.and D.because
是不是选A?请说明原因

选A.尽管她付出最大努力,但它最终仍然没有赢.