Question

A(n) blank is an unwanted, intrusive, and often unpleasant thought that causes an increase in anxiety.
a)compulsion
b)phobie
c)obsession
d) Panic attack
e) Hallucination

I believe the answer is E

Answer 1

Which word do you think best fits the definition?

http://dictionary.reference.com/browse/hallucination

http://dictionary.reference.com/browse/obsession

Answer 2

After reading the definitions of hallucination and obsession i think the answer is obsession

A(n) blank is an unwanted, intrusive, and often unpleasant thought that causes an increase in anxiety.
a)compulsion
b)phobie
c)obsession
d) Panic attack
e) Hallucination

Answer 3

Yes, you're right.