Which among the following was the reason of the resignations of the Indian ministers in all the provinces in the year 1939?

Options

A. The Governors refused to act as constitutional heads
B. The Centre did not provide the required financial help to provinces
C. The Governor-General converted Indian administration from federal to unitary one because of the beginning of the Second World War
D. India was declared a party to the Second World War without the consent of the provincial governments