Which of the Following Is True

Which of the following is true?

A) ​A decrease in the price of ice cream would cause a decrease in the demand for frozen yogurt, a substitute.
B) ​Just as demanders will demand more now if the price of a good is expected to rise in the near future, sellers will supply more now if the price of a good is expected to rise in the near future.
C) ​An increase in supply leads to a movement up along the supply curve.
D) ​Both technological progress and cost-increasing regulations will increase supply.