Match the following: List I (Roots in s plane) List II (Impulse response) A. Two imaginary roots 1. B. Two complex roots in right half plane 2. C. A single root on negative real axis 3. D. A single root at origin 4.

• A-2, B-3, C-1, D-4
• A-1, B-2, C-3, D-4
• A-4, B-3, C-2, D-1
• A-3, B-2, C-4, D-1