Jim Often Has the Fear That He Has Left the Gas

Multiple Choice

Jim often has the fear that he has left the gas stove on in his house and that because of this,his house will burn down and kill his family.As a result,he frequently checks and rechecks the knobs on his stove all day long and often in the middle of the night.In this example,Jim's thoughts about his house burning down would best be considered as an example of a(n) :

A) compulsion.
B) situational phobia.
C) mania.
D) obsession.