Answer:
Shirley suffers from communication apprehension.
Step-by-step explanation:
The most likely scenario is that Shirley suffers from communication apprehension. Communication apprehension is a term that describes a person's fears or anxiety associated with communicating with other people. When a person suffers from this, their anxiety tends to be triggered by the anticipation of communicating, as well as by the act itself. This is usually connected to issues with self-image and evaluation.