男性，27岁。头部受伤后立即昏迷，5分钟后清醒，3小时后再度昏迷，X线发现颅骨线状骨折且骨折线越过脑膜中动脉沟，提示为（）

A.脑挫伤

B.急性硬膜外血肿

C.急性硬膜下血肿

D.外伤性脑内血肿

E.脑水肿

My parents told me not to worry too much. We still have ______ time.

A．few

B．a few

C．little

D．a little