Wendy Went Swimming in the Ocean Last Week and Became

Wendy went swimming in the ocean last week and became mildly fearful when she swallowed a lot of water and felt as though she would drown. Just yesterday someone told her that a shark was seen in the water at the same time she was swimming. Now she is petrified of going into the ocean. This best illustrates

A) the observational learning explanation for phobias.
B) the inability of the phobic person to direct his or her attention away from a feared object.
C) the "inflation effect."
D) classically conditioned generalization based on direct experience.