問題詳情：
![Itseemsthathehassomedifficultyin]( "Itseemsthathehassomedifficultyin")
It seems that he has some difficulty in _______ red from green; what’s wrong with his eyes?
A. recognizing B. discovering
C. distinguishing D. dividing
【回答】
【解析】選C。句意：他似乎很難分清紅*和綠*；他的眼睛怎麼了？distinguish區分，辨別，符合語境。recognize認出； discover發現； divide分，除。
知識點：動詞
題型：選擇題
