Given below is the diagrammatic sketch of a certain type of connective tissue. Identify the parts labelled $A, B, C$ and $D$ and select the right option about them.

• A
  $A$-Macrophage,$B$-Fibroblast,$C$-Collagen fibres,$D$-Mast cell
• B
  $A$-Mast cell,$B$-Macrophage,$C$-Fibroblast,$D$-Collagen fibres
• C
  $A$-Macrophage,$B$-Collagen fibres,$C$-Fibroblast,$D$-Mast cell
• D
  $A$-Mast cell,$B$-Collagen fibres,$C$-Fibroblast,$D$-Macrophage