A Big Concern with Trying to Measure Utility Is That

A big concern with trying to measure utility is that:

A) individuals cannot place utility values on different goods and services.
B) it is difficult to measure marginal utility.
C) there is no distinction between utility for goods and utility for services.
D) to measure utility, you need monetary values of the goods and services.
E) each individual has a unique personal scale for her or his utility measures.