请问GWD-2-22 搜索找不到

If x is negative, is x < -3?

(1)   x² > 9

(2) x³ < -9

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D. EACH statement ALONE is sufficient.

E. Statements (1) and (2) TOGETHER are NOT sufficient.

答案是A

可是条件B为什么不能推出结果呢? 想不通,请大家点化

多谢了

2-22    http://forum.chasedream.com/dispbbs.asp?BoardID=22&ID=66304

2-22    http://forum.chasedream.com/dispbbs.asp?BoardID=22&ID=64941

不要太多哦~前两天还有人发贴问的~~汗！

  [建议]如何迅速准确地搜索到过往的精华讨论帖  [ 2]

明白了! 万分感谢!!