Question

—Not only the young but also the old are getting interested _____ WeChat (微信).
—They can communicate more freely.

A．by

B．about

C．in

D．for

Answer 1

C

试题分析：句意：不仅年轻人，老年人也逐渐的对微信感兴趣。固定短语be interested in 对……感兴趣。故选C。