题目内容：

Today Chinese is becoming more and more popular .It__in many schools around the world
A.teachesB.is teaching C.has taught D.is taught
为什么不选A

优质解答

中文已越来越受欢迎,它被全世界的许多学校所教.
本句应用被动语态,be+动词的过去分词,so此题应选D而不选A