Which of the Following Is an Example of Why Minor-Party

Which of the following is an example of why minor-party candidates might have trouble in running a candidate for the presidency?

A) Major-party candidates automatically qualify for federal funding once they are nominated.
B) Federal funding is given to the Democrats and Republicans to run their conventions; minor parties receive none.
C) Television networks are no longer required to give equal time to parties other than the Republicans and the Democrats.
D) minor-party candidates must attract a minimum percentage of the votes in general election to be eligible for funding.
E) all of the above