Last summer, real estate prices in your town soared. You started noticing more “For Sale” signs in your neighbors’ yards. You conclude that:

A.people don’t like to live in your neighborhood anymore.

B.the demand curve for housing in your town has shifted to the left while supply remained constant.

C.the supply curve for housing in your town has shifted to the right while demand has remained constant.

D.when housing prices rose, they started to exceed some of your neighbors’ reservation prices.

正确答案：when housing prices rose, they started to exceed some of your neighbors’ reservation prices.