Which of the Following Is True of Oral Communication

Which of the following is true of oral communication?

A) The word "yes" should be always used in meetings because they avoid confusion.
B) Compliments work universally across all cultures and should be used often.
C) Exaggerations should be best avoided because "no" culture accepts them positively.
D) Learning a language helps one give a glimpse into the culture of a country.
E) The word "no" is considered a negative word in all countries and is best avoided.