患者女，30岁。因“多关节肿痛伴晨僵6个月”来诊。

为明确诊断，应进行的检查项目有（）

A.血常规

B.尿常规

C.类风湿因子

D.双手X线片

E.抗环瓜氨酸肽（CCP）抗体

F.抗核抗体

G.胸部X线片

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.

Is [*] ？（）
(1) x＜20
(2) x＞5

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.