Kansas's Lecompton Constitution Became So Controversial Because It

Kansas's Lecompton Constitution became so controversial because it:

A) banned slavery,even though an overwhelming majority of residents supported it.
B) banned slavery,but provided an exception to existing resident slave owners.
C) allowed slavery,even though a majority of residents opposed it.
D) allowed each county in Kansas to vote on the legality of slavery.
E) advocated for Kansas independence rather than statehood.