to me N° 4 should be right
hope I helped !
The answer is D. The other answers are improper. D is the only answer that makes sense.
Starr is trying to play it cool , which insinuates that starr is not concerned, but that fact that she/he has to "play" it cool shows that he/she is actually concerned and not bothered.<span />
Explain to the caller this will take you a little bit to get the answer they need and ask if they want to hold or receive a call back.