When they broke into the laboratory, ---
O Hyde was drinking a glass of wine
O Jekyll was trying to kill Hyde
O they found Hyde's dead body
O Hyde was trying to kill Jekyll

Which statement is not true about run-on sentences? a. a run-on sentence has more than one clause. b. one way to correct a run-on sentence is to add a joining word c. one way to correct a run-on sentence is to add an appropriate punctuation mark. d. a run-on sentence has only one clause.