The diagram represents the global biodiversity of major plant taxa. Identify $X$ and $Y$ from the given diagram.

• A
  $X$ - Algae,$Y$ - Moss
• B
  $X$ - Lichen,$Y$ - Algae
• C
  $X$ - Fungi,$Y$ - Algae
• D
  $X$ - Algae,$Y$ - Angiosperm