One student failed because he completely ignored the instructions on the paper. The instructions appeared at the top of every page.
A.One student failed to ignore the instructions printed at the top of every page of the paper.
B.One student failed because he completely ignored the instructions appearing at the top of every page of the paper.
C.No matter how completely one student ignored the instructions printed at the top of every page of the paper, he failed.
D.Even though one student ignored the instructions printed at the top of every page, he failed.