Question

【题目】“A white elephant” means something that is useless, ___________ it may cost a lot of money.

A. unless B. until C. since D. although

Answer 1

【答案】D

【解析】句意：“白象”指的是无用的东西，尽管它可能要花很多钱。考查连词辨析。A. unless除非，引导条件状语从句； B. until直到……才……，引导时间状语从句；C. since由于，引导原因状语从句；D. although尽管，引导让步状语从句。根据句意，本句是让步状语从句，

故选D。