Answer:
the answer is C
Explanation:
it's C becasue the client would not appreciate the publicity of what they are buying from the establishment. they dont want to be rushed of feel like you are not professional enough to answer their questions.
For #3 you could put La gente en el centro comercial nos entiende. (The people at the mall understand us.)
I don't know about #4 sorry.
But hopefully this helps
