________, she may not catch up with her sister.
A.Hard though she works
B.Hard although she works
C.Hard works she
D.Hard even if she works
网友回答
A解析though可以引导让步状语从句，将强调的词前置although不可以．as/though引导让步状语从句时，有时把句子的表语或状语提至句首，有时把谓语提前，用部分倒装．若表语是名词时，名词前常省略冠词．