Correct option is D
Explanation:
The Gandhi-Irwin Pact was signed on March 5, 1931, between Mahatma Gandhi and Lord Irwin, the then Viceroy of India. The pact was a political agreement that marked the end of the Civil Disobedience Movement and included concessions from both sides. The British government agreed to release political prisoners and return confiscated property, while Gandhi agreed to suspend the movement and participate in the Second Round Table Conference.