Identify the structures marked as $A, B, C$ and $D$ with respect to the fluid mosaic model of the plasma membrane.

• A

  $A$: Protein

  $B$: Sugar

  $C$: Integral protein

  $D$: Lipid monolayer

• B

  $A$: Sugar

  $B$: Protein

  $C$: Peripheral protein

  $D$: Lipid bilayer

• C

  $A$: Sugar

  $B$: Protein

  $C$: Integral protein

  $D$: Lipid bilayer

• D

  $A$: Protein

  $B$: Sugar

  $C$: Peripheral protein

  $D$: Lipid bilayer