Read the following sentence about the ending of a story: After searching for years, a man finally finds his long lost daughter in Idaho.

Which example of foreshadowing for this event would be the most obvious?

A. Earlier in the story, the man has a dream that he finds his daughter in Idaho.
B. Earlier in the story, the man thinks of different places to look, including Idaho.
C. Earlier in the story, the man speaks to a relative who has lived in Idaho.
D. Earlier in the story, the man recalls a train ride he once took to Idaho.