The statement about Charlemagne that is not true is D. He refused to acknowledge the authority of the pope interneCine and establish his own church.
Chandragupta was the first emperor to unify most of India under one administration.
He never outright rejected the standard Athenian view of religion, Socrates' beliefs were nonconformist. He often referred to God rather than the gods, and reported being guided by an inner divine voice.