Question

which drywall screw is used to fasten gypsum board to wood studs?
high - and - low thread
fine thread
coarse thread

Explanation:

Coarse - thread drywall screws are designed to grip well into wood studs and are commonly used for fastening gypsum board to them. Fine - thread screws are better for metal studs, and high - and - low thread is not the typical type for this application.

Answer:

C. coarse thread