Which of the Following Comes Closest to Mirroring the Effects

Which of the following comes closest to mirroring the effects of maintenance rehearsal?

A) Irv is unable to describe the appearance of his wristwatch even though he has owned it for years and looks at it many times each day.
B) Mari is unable to recall the name of her first-grade teacher.
C) Tony is unable to remember high school algebra even though he did well in his algebra courses.
D) Samara has managed,with some effort,to learn the names of her classmates.