一道GWD题 答案质疑

Leliolevine

Q30:
Joanna bought only $0.15 stamps and $0.29 stamps.  How many $0.15 stamps did she buy?
(1)      She bought $4.40 worth of stamps.
(2)      She bought an equal number of $0.15 stamps and $0.29 stamps.
    
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.


答案选D，本人认为选A

serenashu

选D的话在2条件中就假设一个未知数就可以算出啊？楼主问什么觉得2条件不可以呢？

Leliolevine

可是总共花了多少钱不知道啊。。
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选D的话在2条件中就假设一个未知数就可以算出啊？楼主问什么觉得2条件不可以呢？

-- by 会员 serenashu (2010/9/5 10:13:14)

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