Coffee and tea are substitutes. Bad weather that sharply reduces the coffee bean harvest would

A、increaseconsumersurplusinthemarketforcoffeeanddecreaseproducersurplusinthemarketfortea.;
B、increaseconsumersurplusinthemarketforcoffeeandincreaseproducersurplusinthemarketfortea.;
C、decreaseconsumersurplusinthemarketforcoffeeandincreaseproducersurplusinthemarketfortea.;
D、decreaseconsumersurplusinthemarketforcoffeeanddecreaseproducersurplusinthemarketfortea.