which is the best surface for oil paints?\n\na. linen canvas\nb. wood panel\nc. paper

Brief Explanations:

Linen canvas is a traditional and popular surface for oil - painting due to its texture, durability, and ability to hold paint well. Wood panels can also be used but may have issues like warping over time. Paper is not an ideal surface for oil paints as it may not handle the oil and thickness of the paint well.

Answer:

A. linen canvas