Jack is studying for psychology exam. He expects that his recall for several important figures in psychology will be tested on the exam. He thinks he will be asked questions about Sperling, Harlow, Zimbardo, Ekman, Milgram, & Kahneman. However, he expects that the most important figures for him to remember are Sperling & Zimbardo. In what order should he study the list?

A) Zimbardo, Ekman, Sperling, Kahneman, Milgram, Kahneman

B) Harlow, Ekman, Milgram, Kahneman, Sperling, Zimbardo

D) Sperling, Zimbardo, Harlow, Ekman, Milgram, Kahneman

C) Sperling, Harlow, Ekman, Milgram, Kahneman, Zimbardo