Part of a church in which bells hang

Minaret
Chapel
Belfry
Spire

The correct answer is C. Belfry.

A belfry is a tower or turret containing bells, especially one attached to a church or other building.

A minaret is a tall, slender tower with a conical roof that is typically part of a mosque.

A chapel is a small church or a place of worship within a larger building.

A spire is a tall, pointed structure, especially one on a church or other building.