With Regard to the Direct Use of Language,which of the Following

With regard to the direct use of language,which of the following statements is false?

A) Americans tend to be direct,blunt,and honest.
B) Most cultures use less direct language than Americans do in order to preserve the dignity of others.
C) In Asian cultures,directness oftentimes clashes with the maintenance of social harmony.
D) In Japan "Okay" can actually mean No.
E) Members of an ingroup can use less explicit language.