Doing your homework is a sure way to improve yor test scores, and this is especi

Doing your homework is a sure way to improve yor test scores, and this is especially true ____ it comes to classroom tests.

A. before     B. since    C. when   D. after

试题答案

C

解析:

When it comes to...是一固定句型，意为“当谈到……时”。