2. Alice was so satisfied (滿意) with her grades on the second exam that she did not study hard from then on. At the end of the semester, she failed in many subjects and she was sad. Being one of her good friends, what would you say to her?　
(A) Laugh, and the world laughs with you.　
(B) Let sleeping dogs lie.　
(C) Those who laugh last laugh best.　　　
(D) A word is enough to the wise.