C. It took me longer than 90 seconds
The author argues that homeowners would pay much more in taxes without Proposition 13.
A) Proposition 13 is unconstitutional because it imposes an unequal tax on properties of equal value.
Contradictory. Author argues that owners of higher-valued property will pay more in taxes, it's most likely to be constitutional rather than unconstitutional.
B is an Unwarranted inference.
(E) Proposition 13 has benefited some homeowners more than others.
Proposition benefited all owners. E is out
(C) By preventing inflation from driving up property values, Proposition 13 has saved homeowners thousands of dollars in property taxes.
If property values are driven up, under Prepostion 13 there is a possibility that owners would pay even more in property taxes than without it. If they stay the same, property owners would pay much less.
C it is.
Hard work is the main determinant of success