The correct answer is (A) A celebration (often held outdoors); festival; entertainment; gala celebration, religious feast. Also, a holiday; festal day; day dedicated to a saint by Roman Catholics and after whom a child is named.

Fete comes from Old French feste.

Examples of use:

• An important religious date is often accepted as a good reason for a fete.
• One of the world's most popular fetes may be Labor Day.