腰椎间盘突出症中发病率最高的节段是 ( )

A、L_{1<\/sub>-L2<\/sub>和L2<\/sub>-L3<\/sub>
B、L2<\/sub>-L3<\/sub>和L3<\/sub>-L4<\/sub>
C、L3<\/sub>-L4<\/sub>和L4<\/sub>-L5<\/sub>
D、L4<\/sub>-L5<\/sub>和L5<\/sub>-L1<\/sub>
E、L5<\/sub>-S1<\/sub>和S1<\/sub>-S2<\/sub>}