Which of the Following Is Not a Reason Gorman Is

Which of the following is not a reason Gorman is worried about re-doing our pursuits after we've forgotten them?

A) We would do the same thing twice, and repetition of activities leads to boredom
B) Our memories might not erase the right things
C) If we tried to take a pill to forget that we forgot, we might sever our identities
D) You might be the kind of person who would see this as futile