Four Students Are Storing This Fact: "Mount Royal in Montreal

Four students are storing this fact: "Mount Royal in Montreal was named by Jacques Cartier in 1535." Based on the following information, which student is probably going to have the most difficult time retrieving the information from long-term memory a few days later?

A) Alexander repeats the fact to himself ten times in a row.
B) Marlene once visited Montreal and recalls that it is several hundred years old.
C) Cathy realizes that 1535 was more than four hundred years ago.
D) Drew is amazed to learn that the Europeans settled in Montreal before the Seven Years' War.