Which statement about abolitionists in the 1840s is correct?

Select the best answer from the choices provided.
A.
All abolitionists wanted immediate freedom for all enslaved people.
B.
Abolitionists only wanted to stop the spread of slavery, not to end slavery.
C.
Some abolitionists preferred gradually freeing enslaved people instead of immediately freeing them.
D.
All abolitionists wanted to send liberated enslaved people back to Africa.