What is Dr.Ariely's suggestion according to the text？

A.To discard those things that seem to have outward merit in favor of those things that actually enrich our lives.

B.To close the door and open the window.

C.To save more money instead of spending.

D.To make students earn more bonus in the experiment.

正确答案：To discard those things that seem to have outward merit in favor of those things that actually enrich our lives.