Which type of memory are you using when you try to remember something your instructor said in class last week

A)  proactive 
B)  retrograde 
C)  prospective 
D)  retrospective

Retrospective memory is the type of memory used to recall past events, such as something said by an instructor in class last week. Proactive memory refers to the ability to remember to do something in the future, while retrospective memory pertains to recall of past events or information. Prospective memory refers to remembering to do something in the future. Therefore, choice D (retrospective) is the best answer.