Match the following columns and select the correct option. [2020]
| Column - I | Column - II | ||
| (A) | Clostridium butylicum | (i) | Cyclosporin-A |
| (B) | Trichoderma polysporum | (ii) | Butyric acid |
| (C) | Monascus purpureus | (iii) | Citric acid |
| (D) | Aspergillus niger | (iv) | Blood cholesterol lowering agent |