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

中速磨煤机转速范围是（）r/min。

A.16~25

B.10~300

C.10~100

D.50~300