问题：

[单选题]"Awkward expressions" refer to _____jew答案窝(daanwo.com)-大学作业答案分享平台
Aexpressions which are grammatically wrongjew答案窝(daanwo.com)-大学作业答案分享平台
Bstrange beliefsjew答案窝(daanwo.com)-大学作业答案分享平台
Cideas which people find untruejew答案窝(daanwo.com)-大学作业答案分享平台
Dexpressions which are not used appropriately