Abraham Lincoln left the Whig Party because he chose to join the Republican Party. Option D is correct.
The Whig Party was a political party considered the most important in the United States between 1834 and 1854. Four U.S. Presidents were Whigs: William Henry Harrison, John Tyler, Zachary Taylor, and Millard Fillmore.
Most Whig Party leaders eventually quit politics (as Abraham Lincoln did temporarily) or changed parties.
It originated in the 1830s as the leading opponent of Jacksonian democracy.