What is guaranteed by the sixth amendment's right to counsel?

D. the right to be represented by an attorney

Explanation:

This is correct on E2020

The accused criminal's right to a lawyer is guaranteed by the sixth amendment's right to counsel.

Explanation:

The sixth amendment to the Constitution of America enhanced its humanitarian nature to a new level by allowing the accused criminals to have the right to an attorney who is well versed in the discipline of law and could defend the side of the accused in the court.

This amendment was looked at as a humane act in favour of the accused ones.