题目：
The following data sufficiency problems consist of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether the data given in the statements are sufficient for answering the question. Using the data given in the statements plus your knowledge of mathematics and everyday facts (such as the number of days in July or the meaning of counterclockwise), you must indicate whether.
A hotdog vendor sold $45 worth of hotdogs at lunchtime Tuesday. Each hotdog cost $1.50. What percentage of his day’s stock of hotdogs did the vendor sell at lunchtime ？（）
(1) The vendor started the day with 120 hotdogs.
(2) The vendor sold twice as many hotdogs at dinnertime as he sold at lunchtime.
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：
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