The Figure Below Shows Two Lorenz Curves,Y and Z

The figure below shows two Lorenz curves,Y and Z. Figure 19.1
-According to Figure 19.1,which of the following is true?

A) Line OXB is the line of perfect income inequality.
B) Curve OYB represents a less equal distribution of income than curve OZB.
C) Line AB represents a society in which wealth is shared equally among individuals.
D) Line OXB is the line of perfect income equality.
E) Line AB represents a society in which 50 percent of the population receives all the income.