Answer:
B.Threat Stress
Step-by-step explanation:
Threat Stress -
It refers to the situation of stress , which is initiated by some external or internal factor , is referred to as threat stress.
It refers to the condition where the person is undergoing stressful condition , due to some threat or some person's behavior .
As, in the scenario of the question,. Frank is annoyed with Gareth , and hence is stressed most of the time.
It is an example of threat stress.