If $\alpha, \beta$ are the roots of $x^2-5 \gamma x-6 \delta=0$ and $\gamma, \delta$ are the roots of $x^2-5 \alpha x-6 \beta=0$, then $\alpha+\beta+\gamma+\delta=$

• A

  $0$
• B

  $125$
• C

  $144$
• Correct answer
  D

  $180$

Hence, the correct answer is option: 'D'.