The figure given below is the diagrammatic representation of the E.coli vector pBR322. Which one of the given options correctly identifies its certain components?
| A. |
Hind III, ECORII-Antibiotic Resistance gene |
| B. |
Am`p^R`, te`t^R`-Selectable markers |
 |
| C. |
Ori- Original restriction enzyme |
| D. |
Rop-Reduced osmotic pressure |