I felt ______ tired, but he didn’t stop ______.

A．little, to read 　

B．rather, studying

C．fairly, studying

D．few, to study

动脉粥样硬化引起的脑血栓形成最常发生于

A．颈内动脉及大脑中动脉

B．大脑前动脉

C．大脑后动脉

D．小脑后动脉

E．椎-基底动脉