which of these statements is true? With compound sentences, one is diagrammed on its own base line, and the other compound sentence is placed on the dotted line that connects the verbs. With compound sentences, only one of the independent clauses is placed on its own base line. With compound sentences, the two independent clauses are each diagrammed on their own base lines. With compound sentences, neither of the two independent clauses are diagrammed on their own base lines.