求助：涛涛数学第一套Q30答案是否有误？

kicobao

Q30:

Joannabought 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 stampsand $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 notsufficient.

C.BOTH statements TOGETHER are sufficient, but NEITHERstatement ALONE is sufficient.

D.EACH statement ALONE is sufficient.

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

该题答案给的是D，我选的是A，我是真的看不出来第二个说法是正确的啊。
大家是不是觉得这题答案有误呢？还是我哪个地方理解有误啊？
望各位战壕里的战友们指点指点啊！！

francoisyang

2不足以判断，答案错误。

kicobao

谢谢哈~~嘻嘻~~