When Minnie Was a Little Girl, Her Neighbour's Pony Was

When Minnie was a little girl, her neighbour's pony was struck by lightning and killed. Minnie's fear of lightning increased over the years. At first she would stop whatever she was doing and go home if a storm arose. Then, she would not leave the house if it looked like a storm was brewing. When there was lightning, Minnie hid under the table in the dining room because it was sturdy. Minnie is to the point now that she will not leave her house in case it were to start lightning, even when storms are not in the forecast. What kind of problem does Minnie most likely have?

A) panic disorder
B) adjustment disorder
C) phobic disorder
D) generalized anxiety disorder