Question

【题目】It was not until I had read your e-mail _____ I understood what you had done for the students.

A. why B. when

C. which D. that

Answer 1

【答案】D

【解析】

考查强调句型。句意：直到我读了你的电子邮件，我才明白你为学生们所做的一切。it is not until--- that 典型的强调句结构，强调的是“直到我读了你的电子邮件”。故选D。