Iranian women spread a votive 'sofreh' such as the Sofreh-ye Hazrat-e Abbas chiefly in order to do what?

• A Announce a daughter's engagement
• B Celebrate a child's first tooth
• C Welcome home a pilgrim from Mecca
• D Fulfil a vow made when a wish was granted ✓

The votive spread of food is promised in a 'nazr' and laid out, with prayers, once the wish comes true.