To Say That the Supply Curve Is Positively Sloped Means

To say that the supply curve is positively sloped means that

A) as price goes up, quantity supplied will remain constant.
B) as price goes up, quantity supplied will increase.
C) households will want to buy less at higher prices.
D) as price goes up, quantity supplied will decrease.
E) if the costs of production increase, the quantity supplied will have to increase also.