While communication with the ___, ___ phrases and ___ have to be used in their ___ contexts

Q. While communication with the ___, ___ phrases and ___ have to be used in their ___ contexts.

A.            customers, polite, expressions, appropriate

B.            relatives, harsh, gestures, inappropriate

C.            Subordinates, impolite, impressions, true

D.            audience, rude, dialogues actual

Answer: customers, polite, expressions, appropriate