The correct matching for the following pairs is - (A) Disk sucheduling, (1) Round robin,(B) Batch processing, (2) SCAN ,(C) Time sharing, (3) LIFO, (D) Interrupt processing,(4) FIFO,

• A. A-2, B-4, C-1, D-3
• B. A-1, B-2, C-3, D-4
• C. A-2, B-1, C-4, D-3
• D. None of these