The Response of Family and Friends to the Proposal Ritual

The response of family and friends to the proposal ritual is important to the couple for what reason?

A) These other people may doubt the reality or the appropriateness of the engagement.
B) The ritual indicates to others the quality of the couple's relationship.
C) The way that the ritual was carried out may reflect on the nature of the man and the commitment he has to the relationship.
D) All of the above.