The key to all of this is the realization____he is not as attached to his ideas as his fellow colleague.A what B which C that D while

熱心網友

that 主語：key 謂語：is 表語：realization 后面的是表語的同位語eg. The news that he will go to Paris came to us yesterday. 其中that he will go to Paris是同位語。

熱心網友

C. 這是同位語從句,是對所修飾的詞進行解釋,說明該詞的內容.同位語從句不能用which連接,只用that 連接.

熱心網友

that.同位語從句。同位語從句前的名詞一般是抽象名詞,news,ideas,thought,rumour,fact,possibilityIdon' ereisapossibilitythathewillbeafamousartistinthefuture.

熱心網友

that同位語從句