Question

【题目】She could speak very good English _____ a very young age.

A. in B. on C. at D. of

Answer 1

【答案】C

【解析】

试题分析：句意：她可以讲特别好的英语在这样一个非常小的年龄，表示在……年龄段，用介词at.故选C。