Read the following statement having two blanks ($A$ and $B$).
$A$ drug used for $A$ patients is obtained from a species of the organism $B$.
The one correct option for the two blanks is

• A
  $A$-heart,$B$-Penicillium
• B
  $A$-organ-transplant,$B$-Trichoderma
• C
  $A$-swine flu,$B$-Monascus
• D
  $A$-$AIDS$,$B$-Pseudomonas