Will you please write the words ________ ? I mean you write them on the first line and then the third line and so on.

Will you please write the words ______ ? I mean you write them on the first line and then the third line and so on .

　　A. every third line B. every second lines C. every other lines D. every other line

Will you please write the words ________ ? I mean you write them on the first line and then the third line and so on.

1. A.
   every third line
2. B.
   every second lines
3. C.
   every other lines
4. D.
   every other line