Read the following sentence about the ending of a story: After searching for years, a woman finally finds her long lost son in Mexico. Which example of foreshadowing for this event would be the most obvious?

A. Earlier in the story, the woman speaks to a relative who has lived in Mexico. B. Earlier in the story, the woman has a dream that she finds her son in Mexico. C. Earlier in the story, the woman recalls a trip she once took to Mexico) D. Earlier in the story, the woman thinks of different places to look, including Mexico,​