一道关于double和two的英语选择题,
问题描述：
一道关于double和two的英语选择题,
There are ( )in the word"different" and ( )in the word "often".
A two fs,a f
B double f,an f
C double fs,an f
D two fs,an f
能说明原因吗？
答
B double f,an f