As a General Matter, a Person's Status as a Taxpayer

As a general matter, a person's status as a taxpayer:

A) establishes sufficient interest to challenge any law that is believed to be unconstitutional.
B) does not establish sufficient interest to challenge any law.
C) establishes sufficient interest to challenge expenditures of funds to which the taxpayer contributed, so long as the expenditure is unconstitutional.
D) none of the above are correct.