Smith says she gets 5 utils from consuming the fifth unit of a good whereas Jones says he gets 10 utils from consuming the fifth unit of a good. It follows that
A- the fifth unit of the good means twice as much to Jones as it means to Smith .
B- if the law of diminishing marginal utility holds, both Smith and Jones will get less utility from the sixth unit of the good than the fifth.
C- the fifth unit of the good means more to Jones than Smith.
D- the fifth unit of the good means more to Smith than Jones.