經濟學上的題目

Sam’s demand curve for pizza

(A) has one point in common with her marginal benefit curve for pizza

(B ) is the same has her marginal benefit curve for pizza

(C ) lies above her marginal benefit curve for pizza

(D ) lies below her marginal benefit curve for pizza

幫我用經濟理論上的翻譯解釋
Update: 答案是?
可以說明原因嗎...
Update 2: which of the following would cause a rightward shift in the demand for gaoline by car drive?

1. a large increase in the prise of automobiles

2. a large reduction in the costs of producing gasoline

3. a large increase in the fare of public transportation
1 answer 1