问题
选择题
—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
答案
答案：C
题目分析：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。