英语选择题 At the meeting, he had something important to write down.So he asked me fou( ).

英语选择题 At the meeting, he had something important to write down.So he asked me fou( ).
A a paper B some papers C some pieces of papersD a piece of paper
答案是D 为什么不选其他答案 求解答~
打错了 是 for 不是 fou