How do monsoon patterns typically affect agriculture in South Asia?

Responses
A by providing the necessary water for rice cultivationby providing the necessary water for rice cultivation
B by leading to frequent droughts and crop failuresby leading to frequent droughts and crop failures
C by causing uncontrolled wildfires in agricultural landsby causing uncontrolled wildfires in agricultural lands
D by decreasing the humidity needed for crop growth

A by providing the necessary water for rice cultivation