Which of the Following Would Be the Least Helpful Thing

Which of the following would be the least helpful thing to do in trying to remember who played the leads in your sixth-grade production of The Sound of Music?

A) Think of each of the songs in the show and try to remember who sang them.
B) Revisit your old school, especially the room where the rehearsals and performances were held.
C) Think about unrelated things, like the courtroom thriller you are reading, and wait for the names to pop into your head.
D) Try to picture your sixth-grade music class, whom you sang near, and whom you could see in the other sections.