On the Issue of Slaves,the Constitution Specified

On the issue of slaves,the Constitution specified

A) that a gradual end to slavery must be worked out by Congress and the states within ten years.
B) that slavery would be banned beginning in 1800.
C) a boundary,known as the Mason-Dixon line,south of which slavery would be legal.
D) nothing; it was too controversial a subject,and the delegates could not agree on anything regarding it.
E) that slaves would count as three-fifths of a person for counting the nation's population and determining seats in the House.