What is compatible with the German Basic Law?

EDITORIAL LEARNING AID

Why is this answer correct?

Article 102 of the Basic Law abolished the death penalty; torture and corporal punishment violate human dignity (Article 1) and are prohibited. A fine, by contrast, is a common penalty under German criminal law and is compatible with the Basic Law.

The death penalty, torture and flogging are banned, fines are not.

This translation and explanation are editorial learning aids. The official German wording and answer key govern the examination.