Answer:
The grinding, groaning, and screeching sounds coming from the car’s brakes let us know it was time to visit the mechanic.
Explanation:
This sentence should be the correctly punctuated one. I think.
A Linear plot begins at point A, progresses through events which build towards a climax, and then finally reaching point B. This type of linear plot is also referred to as the Aristotlean plot structure. It can usually be represented by drawing an arc , hope this helps :)