Identify One Discrepancy in the Gospel Accounts About Jesus' Last

Identify one discrepancy in the Gospel accounts about Jesus' last meal.

A) The account in Mark has it taking place in a palace, while John's takes place in a humble house.
B) The account in Matthew has it taking place in a stable, while Luke's takes place in a field.
C) The account in Matthew has it occurring on Saturday morning, while Luke's takes place on Friday evening.
D) The account in Mark describes it as a Passover meal, while John's does not.