Geneticist Olivia M. Pereira-Smith has published her findings on "immortal " cells, that is , cells reproduce by dividing ______. ! Q' E" ~" ]- t! Q- o) L; HA indefinitely B occasionally5 N7 k1 d/ e7 ~' \
C conclusively D periodically E precisely& M) [7 r* J8 B+ Y* J8 k5 ?; o
答案是A。。这道题从哪里可以看出逻辑?