Answer:option B
Explanation:
Options."a", "c" and 'd' are not correct. The correct option is that of option 'b'.
A social indifference curve shows the second option, that is the option 'B' which is 'social attitudes toward equity'. Social indifference is a term used mostly in microeconomics and it is all about the attitudes to goods and services consumed by consumers changes in different ways.
The social indifference curve is a plot of graph used in an aspect of economics called welfare economics. The curve shows the goods and services that gives consumers the same or equal satisfaction.