I didn't know which tape was better,so I took them __.

題目：

I didn't know which tape was better,so I took them __.
I didn't know which tape was better,so I took them ____.
A.all B.each C.none D.both
該選哪個?並說明理由.

解答：

D.
A是三個或三個以上的全部選擇.
B是每一個.兩者中的每一個.
C是沒有.三個或三個以上的沒有.
D是兩者都選擇了的意思.