–- Why is Tom unhappy today?

-- He got______ points of all the boys.

A．the most

B．more

C．the fewest

D．the least

腰椎CT显示椎间盘超出椎体边缘，后缘凹陷消失呈均匀光滑对称性软组织密度影，硬膜囊前缘轻度受压，应诊断()

A．椎间盘膨出

B．椎间盘中央型突出

C．椎间盘外侧型突出

D．椎间盘“真空征”

E．正常椎间盘