Statement $X$: Prokaryotic cells do not separate after division.
Statement $Y$: They are surrounded by a slimy substance secreted by the cell.

• A
  Statement $X$ and Statement $Y$ are mutually inconsistent.
• B
  Statement $Y$ is the reason for Statement $X$.
• C
  Statement $X$ is the reason for Statement $Y$.
• D
  Statement $Y$ is not the reason for Statement $X$.