Suppose the demand for rental apartments decreased substantially. We would expect to observe

A) no change in rent and a sharp reduction in quantity supplied in the short run, and an even larger decrease in quantity supplied in the long run.
B) a large decrease in quantity supplied in the short run, followed by a counter-reaction and an increase in quantity supplied in the long run.
C) a small decrease in quantity supplied and significantly lower rents in the short run, and quantity supplied to decrease much more in the long run.
D) a large decrease in quantity supplied in the short run and the long run, but much larger reductions in rent in the long run.