Revise the two sentences below by using a comma and a coordinating conjunction to create a compound sentence.
Coordinating conjunctions can improve writing style by varying sentence structure.
They should only be used if they convey the appropriate relationship between the ideas in the independent clauses.
A. Coordinating conjunctions can improve writing style by varying sentence structure, nor they should only be used if they convey the appropriate relationship between the ideas in the independent clauses.
B. Coordinating conjunctions can improve writing style by varying sentence structure, so they should only be used if they convey the appropriate relationship between the ideas in the independent clauses.
C. Coordinating conjunctions can improve writing style by varying sentence structure, but they should only be used if they convey the appropriate relationship between the ideas in the independent clauses.
D. Coordinating conjunctions can improve writing style by varying sentence structure, and they should only be used if they convey the appropriate relationship between the ideas in the independent clauses.