有关腰麻下列叙述哪项错误

A．穿刺部位在脊髓终止以下部位

B．小儿脊髓终止位置较低，新生儿在L₃下缘

C．成人脊髓终止在L₁椎体下缘或L₂椎体上缘

D．成人穿刺位置可在L₂～L₃以下

E．L₃～L₄穿刺可避免损伤脊髓和马尾

I told Sally how to get here, but perhaps I ______for her.

A．had to write it out

B．must have written it out

C．should have written it out

D．ought to write it out