题目内容：
According to the text, troubles in communication may result from__________
A． a closed body position B． an open body position
C． no smile
D． the main "sign senders"
参考答案：
答案解析：
单选题：According to the text, troubles in communication may result
- 题目分类：公共英语三级
- 题目类型：单选题
- 查看权限：VIP
B． an open body position
C． no smile
D． the main "sign senders"