23, More than thirty years ago Dr. B, the Nobel Prized winner, reported that genes can "jump", as pearls moving mysteriously from one necklace to another .
B. like pearls moving mysteriously from one necklace to another
C. as pearls do that move mysteriously from one necklance to others
答案:B,
B,C的区别:1) like/as 2) one .. another/ one to others
如果C:. as pearls move mysteriously from one necklance to another