Read the sentence with two blanks ($a$ and $b$): "The medicine used for patients of .....$(a)$..... is obtained from the species of organism .....$(b)$.....". Which is the correct option for the two blanks?

• A
  $(a)$ $AIDS$ $(b)$ $Pseudomonas$
• B
  $(a)$ Heart $(b)$ $Penicillium$
• C
  $(a)$ Organ-transplant $(b)$ $Trichoderma$
• D
  $(a)$ Swine flu $(b)$ $Monascus$