关于生长激素缺乏症，错误的是（）

A.特发性下丘脑、垂体功能障碍是生长激素缺乏的主要原因

B.任何病变侵及下丘脑或垂体前叶时都可引起生长迟缓

C.生长激素是由垂体前叶分泌的

D.骨龄超前

E.特发性生长激素缺乏症多见于男孩

I knew nothing of the motives behind his recent move, and I don't know either the person to put him up to the action.

A．nor did I know ... who

B．not did I know ... that

C．nor do I know ... that

D．either did I know ... who