What are four techniques that can be used to fix errors in comma splices and run-on sentences?

a. separating the sentences, adding commas, adding another dependent clause, and adding a semicolon between independent clauses in a run-on sentence

b. separating the sentences, adding a conjunction to comma splices, rearranging clauses and rewording sentences, and adding a semicolon between independent clauses in a run-on sentence

c. correcting verb tense, adding a conjunction to comma splices, adding another dependent clause, and adding a semicolon between independent clauses in a run-on sentence

d. correcting verb tense, rearranging dangling modifiers, adding another dependent clause, and adding a semicolon between independent clauses in a run-on sentence