Some students failed because they completely ignored the instructions on the paper. The instructions appeared at the top of every page.

A. Some students failed to ignore the instructions printed at the top of every page of the paper.

B. Some students failed because they completely ignored the instructions appearing at the top of every page of the paper.

C. No matter how completely some students ignored the instructions printed at the top of every page of the paper, he failed

D. Even though some students ignored the instructions printed at the top of every page, he failed.