Which of These Are Significant Problems Associated with Using GDP

Which of these are significant problems associated with using GDP to measure the prosperity of a country's population?

A) Different countries produce different kinds of goods.
B) Many individuals have a level of prosperity that is different from their country's average production level per person.
C) It is difficult to calculate the value of certain kinds of goods (e.g., housework, the underground economy) .
D) B and C but not A
E) A, B and C