I believe the correct answer from the choices listed above is option B. The compound subject in the sentence above would be Budd Abbott and Lou Coastelle. <span>When a sentence has two or more </span>subjects, that's called a “compound subject<span>.” Hope this answers the question.</span>
The subject of a sentence is the person, thing or idea that does something and a compound subject refers to a subject that has two or more simple subjects that are joined by a conjunction.
In this sentence and considering the definitions above, the subject is Budd Abbott and Lou Coastelle and it is a compound subject because it has two simple subjects and it is joined by the word "and" that is a conjunction.