Final answer:
A plumber cuts sections of pipe with a hacksaw (option A) . Other tools like a propane torch, power drill, and wrenches serve different functions in plumbing, such as soldering, creating holes, and turning nuts and bolts.
Step-by-step explanation:
The correct option for how a plumber cuts sections of pipe is A) with a hacksaw. Hacksaws are commonly used for cutting through materials like pipe, especially when a precise, straight cut is needed. While a torch, specifically a propane torch, is indeed used in plumbing, it is typically used for soldering and not cutting pipe. Drills, particularly a power drill, and socket wrenches are tools used in plumbing, but not for cutting pipe.
A drill is used to create holes or drive screws, and a wrench is used for gripping and turning objects like nuts and bolts. Mechanics sometimes put a length of pipe over the handle of a wrench to remove a very tight bolt by increasing leverage, although this can be hazardous as it may break the bolt.