Chinese GDP has been growing steadily year by year second in the world now.A. to rankB.

问题补充：

Chinese GDP has been growing steadily year by year, second in the world now.

A. to rank

B. ranked

C. ranking

D. ranks

答案：

A. to rank

B. ranked

(答案→)C. ranking

D. ranks

解析：本题为非谓语动词作结果状语。句意，中国GDP一年一年在不断地稳定增长，现在已排到世界第二。Chinese GDP与rank之间为主动关系，故使用现在分词作状语。现在分词做结果状语，表示“自然而然”的结果。