What is the Chaharshanbe Suri custom of banging spoons on pots while going door to door for treats called?

• A Ghashogh-zani ✓
• B Sofreh-andazi
• C Sal tahvil
• D Alam-gardani

In ghashogh-zani ('spoon-banging'), disguised visitors bang spoons on bowls at doorsteps and receive snacks, much like trick-or-treating.