明日开考，请问有两个可能答案时候，也是sufficient吗

gemini200806

Q7:

What is the value of │x + 7│?

(1)     │x + 3│= 14

(2)     (x + 2)² = 169

                  

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.

Answer: D

我开始选了E，认为都不能唯一确定，请指点，多谢

[此贴子已经被作者于2007-9-26 9:40:41编辑过]

nuj_am

楼主, 应该选c吧, 两个合在一起可以推出x为11啊!