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 CEO is building an extra-wide garage in which to park his limousines. The garage is x feet wide, and at least 2 feet of space is required between each two cars and between the cars and the walls. Will all 9 limousines fit in the garage ？（）
(1) The average width of the limousines is the square root of x.
(2) x=100.

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.

男性，70岁。超声检查见主动脉瓣增厚、钙化．开放受限，关闭不拢，升主动脉扩张。诊断为主动脉瓣狭窄伴关闭不全，拟行手术治疗。

该检查的目的是（）

A.了解心内血流情况

B.了解脑血管情况

C.了解肺动脉情况

D.了解冠状动脉情况

E.了解主动脉弓情况