How Was Lincoln Changing His Opinion of Blacks Shortly Before

How was Lincoln changing his opinion of blacks shortly before he was assassinated?

A) He suggested that perhaps some blacks who were educated or veterans should be able to vote.
B) He thought that not only should all blacks be free, but also that they should enjoy the same political and social rights as whites.
C) He thought that the federal government should give each freed black "forty acres and a mule."
D) He was really not changing his mind at all. He was always more concerned with the Southern states than the black people in them.