The posting would not be in violation of the clause because there is a learning purpose to the items. Option C is correct.
The Ten Commandments constitute a set of biblical principles relating to ethics and worship, which play a fundamental role in Judaism and Christianity. The commandments include instructions to worship only God, to honour one's parents, as well as to keep the sabbath day holy. Further, it prohibits idolatry, blasphemy, murder, adultery, theft, dishonesty, and coveting.
Ten commandments was a basic rule of life for Christians.