Question

which tool would be best to make this? revolve extrude sweep loft

Explanation:

The 'sweep' operation in 3 - D modeling is used to create a 3 - D object by moving a 2 - D profile along a path. The given shape can be created by sweeping a small cross - section along the curvy path shown. Revolve creates a shape by rotating a profile around an axis, extrude pushes a 2 - D shape along a normal direction, and loft creates a shape between multiple cross - sections.

Answer:

C. sweep