Actually,you can be _________ you want to be,a scientist,a doctor,an astronaut or a manager so long as you set your mind to it.

A．whatever　

B．whoever

C．whomever　

D．whichever 

驾驶员良好的心理特征表现在行车中能做到（）。

A.头脑清醒

B.判断准确

C.反应迅速

D.行动果断