The given figure shows dB magnitude plots for type 0, type 1 and type 2 systems. Out of these

• A. curves 1, 2, 3 are for type 0, 1, 2 systems respectively
• B. curves 1, 2, 3 are for type 2, 1, 0 systems respectively
• C. curves 1, 2, 3 are for type 1, 0, 2 systems respectively
• D. curves 1, 2, 3 are for type 1, 2, 0 systems respectively