The correct options are
A The Muslim League won in most of the provinces.
C The Muslim League was popular in Bengal.
The year 1937 started off with the provincial elections. According to the Government of India Act of 1935, the winning parties could form their own government. The Muslim League was popular in the United Provinces, Bombay, and Madras, though it went feeble in Bengal, North-West Frontier Province, Punjab, and Sindh. The Congress won in most of the provinces, whereas the Muslim League secured only 102 out of 485 Muslim seats.