Mark, a Teller Working in a Supermarket, Remains Depressed and Suffers

Multiple Choice

Mark, a teller working in a supermarket, remains depressed and suffers from anxiety. He does not confide in others and keeps his feelings hidden. According to clinicians, people such as Mark have a _____ personality and are at a greater risk of developing heart disease.

A) Type X
B) Type D
C) Type Y
D) Type A