Which of the Following Best Reflects the Current Republican View

Which of the following best reflects the current Republican view regarding national involvement in ensuring health care coverage?

A) Republicans have called for the repeal of the Affordable Care Act, colloquially known as Obamacare.
B) Republicans have called for improvements to the Affordable Care Act, colloquially known as Obamacare.
C) Republicans intend to replace the Affordable Care Act, colloquially known as Obamacare, with a single-payer system.
D) Republicans have avoided taking a position on health care.
E) Republicans were initially against the Affordable Care Act, colloquially known as Obamacare, but they now support it.