Research has found a relationship between all but WHICH of the following neurological problems and the incidence of depersonalization disorder?

The distress experienced by people with _____ is sometimes described as free-floating anxiety.

A)generalized anxiety disorder B)neurotic anxiety C)obsessive-compulsive disorder D)agoraphobia

Language exchange for the sole purpose of building and maintaining social relationships is known as __________ communication.

Fill in the blank(s) with the appropriate word(s).