Which of the following are the main reasons for the origin of the south-west monsoon in India?I. Development of a low pressure in north-west IndiaII. Deflection of trade windsIII. Arrival of cyclonic stream from the Pacific OceanIV. Heating of the Arabian Sea and the Bay of Bengal

• A. , II and III
• B. and II
• C. I and III
• D. II and IV