The correct option is B Great Britain was on the side which defeated Islamic state of Turkey.
Indian Muslims turned against the British post The Great War (aka The First World War), because British waged a war against Central Powers and Ottoman Empire (Now Turkey) wasn't active initially and South Asian Muslims have already started fighting the war for Great Britain, and later Ottoman Empire entered the war alongside the Central Powers, and the Indian Muslims, were fighting against their brothers, and moreover they were afraid as to what would happen to Islamic Centres, around the world if the Caliphate (Islamic state under leadership of Caliph) falls and eventually Ottoman Empire was dissolved and hence, Indian Muslims turned against British post World War 1..