Smith Says She Gets 5 Utils from Consuming the Fifth

Multiple Choice

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 more to Jones than Smith.
B) the fifth unit of the good means more to Smith than Jones.
C) the fifth unit of the good means twice as much to Jones as it means to Smith.
D) 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.