16  

From May 1 to May 30 in the same year, the balance in a checking account increased. What was the balance in the checking account on May 30?

(1)   If, during this period of time, the increase in the balance in the checking account had been 12 percent, then the balance in the account on May 30 would have been $504

(2)   During this period of time, the increase in the balance in the checking account was 8 percent.

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

请教：A不对吧？A是虚拟语气吧？并不代表真长了12%啊！