Most of us try to discover      we think is the most moving love story in our company.

A．which

B．that

C．what

D．who

步行速度的加快不正确的是（）。

A.缩短站立相

B.延长迈步相

C.缩短双支撑相

D.延长站立相

E.缩短单支撑相