【答案】_________ it is raining hard, they are still working.

_________ it is raining hard, they are still working.

A.If

B.Because

C.Although

D.As

【答案】

C

【解析】

if“如果”；because“因为”；although“尽管，虽然”。as“因为”。由句意“虽然雨下得很大，但是他们仍在工作”可知应用although引导让步状语从句。故选C。