I have bought two ballpens, _______ writes well.

A．none of them

B．neither of them

C．neither of which

D．none of which

属于阑尾异位阑尾的位置是（）

A.盲肠内侧

B.盲肠下方

C.盲肠前位

D.盆腔位

E.左髂窝