13. The distinguishing feature of a fluid, in contrast to a solid, is the ease _____ .
(A) that a deformed fluid
(B) to deform a fluid
(C) when a fluid that is deformed
(D) with which a fluid may be deformed
答案是c
常弄不懂介詞加關代怎麼解釋那個關代還有介詞是怎麼來的
通常藉辭是跟後面動詞但in which =where不是嗎
我記得修辭老師有講解過但一知半懂的
好像是把兩句結合一句吧請教大家了!!