Technician a Says That Phone Conversations Are More Positive If

Multiple Choice

Technician A says that phone conversations are more positive if you smile when you talk. Technician B says that it doesn't matter if you smile during a phone conversation because the customer can't see you. Which technician is correct?

A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B