河南成教 / 英语语言学
正确率：100%
1[单选题]
_________ in a person’s speech or writing usually ranges on a continuum from casual or colloquial to formal or polite according to the type of communicative situation.
A.Regional variationn
B.Changes in emotions
C.Variation in connotationss
D.Stylistic variation
_________ in a person’s speech or writing usually ranges on a continuum from casual or colloquial to formal or polite according to the type of communicative situation.
参考答案：
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