Why Might a Lorenz Curve Provide a Suitable Way to Compare

Why might a Lorenz curve provide a suitable way to compare the distribution of wealth in the UK, US and Japan?

A) It can be used to compare multiple variables at the same time
B) It can be used to show how a variable is shared amongst subjects in a population
C) It can be used to illustrate the rate of change of a variable through time
D) It can be used to evaluate distribution of variables in different sized classes