题目

The Beatles were the most influential band in pop history. In their 8-year, 12-album history, Paul McCartney, John Lennon, George Harrison and Ringo Starr altered popular culture dramatically. It wasn't just the suits and changing lengths of hair the four Liverpool boys wore that had such an impact, but what they seemed to stand for. The world saw them as the voice of a new generation, one with a very different attitude to life. Their influence was at its height in the 1 960s．but their music continues to stir listeners today．However, up until recently one aspect of the Beatles wa下列活动中，属于反射的是（   ） A．草履虫逃避食盐的刺激                          B．手偶然遇到火会突然缩回 C．皮肤出血后逐渐凝集                           D．皮肤经日光长时间照射后变黑