Read the following statement having two blanks $(A\text{ and }B)$:"A drug used for $(A)$ patients is obtained from a species of the organism $(B)$."Which is the correct option for the two blanks?

1. A
   Blank-A: Swine flu; Blank-B: $\text{Monascus}$
2. B
   Blank-A: AIDS; Blank-B: $\text{Pseudomonas}$
3. C
   Blank-A: Heart; Blank-B: $\text{Penicillium}$
4. D
   Blank-A: Organ-transplant; Blank-B: $\text{Trichoderma}$