Respuesta :
Based on the sentence above, we could say that the it contains a compound subject. Compound subject is define as noun or pronoun that engaged in the activity of the verb. So, since the sentence uses the word "and" it makes makes "Gina and Sydney" a compound subject
The correct answer is A. compound subject.
Compound means complex, made up of several parts. In the example above, the subject of the sentence is Gina and Sydney. As you can see, the subject contains two parts - Gina and Sydney, brought together by the conjunction and. Since there are more than one part of a subject, it means that it is compound.
There are no objects or interjections in this sentence; the verb is simple (have) so it cannot be compound.