（）According to Dr.Ariely’s book, Predictably Irrational, what might be a weakness of human beings?（Para.4）

A.His experiment shows that people just couldn’t bear to see their options vanish.

B.His experiment shows that people always want to keep all the doors open.

C.His experiment shows that people are fond of playing games.

D.His experiment shows that people do not bother to bring with them the key to the door.

正确答案：His experiment shows that people just couldn’t bear to see their options vanish.