Liu Xiang won the gold medal of men’s 110m hurdles at the 16th Asian Games, _______ the title of the event with 13.09 seconds.

A．claimed

B．claiming

C．has claimed

D．to claim

制定轧制工艺制度的首要依据为（）。

A.产品的技术条件

B.生产规模的大小

C.钢种的加工工艺性能

D.设备特点