Statement $X$: Fungi are heterotrophic because they cannot synthesize their own food.
Statement $Y$: Fungi lack chlorophyll.

• A
  Both Statement $X$ and $Y$ are true.
• B
  Statement $X$ is true and $Y$ is false.
• C
  Both Statement $X$ and $Y$ are true. Statement $Y$ is the correct explanation of $X$.
• D
  Statement $X$ is false and $Y$ is true.