What Was Abraham Lincoln's Position on Slavery in His Debates

What was Abraham Lincoln's position on slavery in his debates with Stephen Douglas?

A) He suggested a new balance between slave and free territories.
B) He took a position similar to Douglas on the issue of slavery.
C) He suggested that not opposing slavery was the same as endorsing it.
D) He differed with the Republican platform by supporting slavery in new territories.
E) He avoided discussing the issue of slavery altogether.