I       out of the window and       the police       after the suspect（嫌疑人）.

A．looked, watched, run

B．looked, saw, running

C．watched, saw, run

D．saw, watched, running

一个人能够成才的关键在于

A．确立成才的远大理想和目标

B．良好的社会环境和家庭环境

C．个人的刻苦努力，艰苦奋斗

D．个人的天赋和后天所受教育