—Do you often get online?

—Yes. I ______ lots of time on it. It's a good way to kill time. [ ]

A. cost    

B. spend      

C. take    

D. use

关于眶上裂，说法错误的是( )

A．由蝶骨组成

B．与颅前窝相通

C．眼上静脉及脑膜中动脉由此通过

D．眶上裂综合征可出现眼球固定、瞳孔散大

E．动眼神经、滑车神经、外展神经均由此通过