When Bob Noticed a Pain in His Thigh,he Was Convinced

When Bob noticed a pain in his thigh,he was convinced it was a sign of bone cancer.Although X-rays revealed no sign of cancer,Bob sought the opinions of a dozen other physicians who agreed with the original opinion.What psychological disorder might Bob's behavior indicate?

A) mood disorder
B) illness anxiety disorder
C) conversion disorder
D) catatonic schizophrenia