问题详情

The law of diminishing marginal utility______.
A．suggests that total utility will eventually decrease if enough of the good is consumed
B．suggests that as a consumer buys more of a good, its price will drop
C．provides an explanation for perfectly elastic demand curves
D．suggests that as a individual"s consumption of a good increases, his marginal utility must eventually decrease请帮忙给出正确答案和分析，谢谢！