题目

阅读理解 Teens who are preparing to undergo cosmetic surgery(整容手术) often have unrealistic expectations. The growing numbers of makeover television shows which make cosmetic surgery seem simple，have encouraged adolescents to pursue surgery to improve their physical appearance. As a result, more teenagers are going under the knife to achieve a desired look. When teens feel the need to have plastic surgery, they believe that it is not a huge deal, but they may not be mature enough to make such a life altering decision. If teens feel inadequate before surgery，they will most likely --- When did the couple die? --- It was on May 12 ______ the earthquake hit Wenchuan County.A.thatB.whichC.whenD.what