For a standard feedback control loop, the sensitivity of the closed-loop transfer function T to forward path gain G and feedback path gain H are SGTSHTA. -1/(1 + GH)-1(1 + GH)B. -GH/(1 + GH)-H/(1 + GH)C. G/(1 + GH)1/(1 + GH)D. 1/(1 + GH)-GH/(1 +GH)

• S_G^T S_H^T
• A. -1/(1 + GH) -1(1 + GH)
• B. -GH/(1 + GH) -H/(1 + GH)
• C. G/(1 + GH) 1/(1 + GH)
• D. 1/(1 + GH) -GH/(1 +GH)
• A. A
• B. B
• C. C
• D. D