----It'susefulforthedeafandblindpeopletolearnbodylangua...
来源：语文精选馆 1.2W
问题详情：
----It's useful for the deaf and blind people to learn body language.
---Yes, it's a major way of_____ for them.
A. competition B. vacation C. production D communication
【回答】
D
知识点：名词
题型：选择题
