Identify the gene and its protein that controls corn borer from the given options.

• A
  $cry\; I\; Ab$ and $Cry\; I\; Ab$
• B
  $cry\; I\; Ac$ and $Cry\; I\; Ac$
• C
  $cry\; II\; Ab$ and $Cry\; II\; Ab$
• D
  $cry\; II\; Ac$ and $Cry\; II\; Ac$