Question

【题目】If you don’t understand something, you may research, study, and talk to other people _______ you figure it out.

A. because B. though C. until D. since

Answer 1

【答案】C

【解析】句意：如果遇到不懂的东西，你可以搜索、研究，和别人交流直到弄明白。本题考查状语从句，A选项意为“因为”，B选项意为“尽管”，D选项“自从”或者“因为”，C选项“直到”符合语境，答案选C。