The ants, hardworking _______ they are, have their time for play.
A、if
B、as
C、since
D、though
【正确答案】：B
【题目解析】：本题的考点是as引导的让步状语从句要倒装。这句话的语序应该是：Hardworking as they are, the ants have their time for play. “hardworking”是形容词作表语，在as 引导的让步状语从句中提前。这句话的意思是：尽管蚂蚁很努力，他们还是有时间玩。
