The Ritual Sacrifices Practiced by the Aztecs

The ritual sacrifices practiced by the Aztecs:

A) occurred one at a time and therefore were minimal.
B) prompted most Aztecs to oppose their leaders, who opposed the sacrifices.
C) disgusted Europeans despite their own practices of publicly executing criminals and burning witches at the stake.
D) were always held at an arena in Tenochtitlán that resembled the Roman Colosseum.