Question

【题目】—What do you think of the book?
—It's difficult for me ________ there are few new words in it.
A.if
B.so
C.because
D.although

Answer 1

【答案】D
【解析】句意：—你认为这本书怎么样？—对我来说很难虽然里面没有新词。根据句意，本题使用although引导的让步状语从句。A引导条件状语从句；B引导原因状语从句；C引导原因状语从句。故选D。