I feel B is the complex, compound sentence... I regret I cannot tell you why.
Answer:
If I'm wrong I think it is C
Well, first lets start with what a declarative sentence is. <span>the kind of </span>sentence<span> that makes a statement or “declares” something. For example “He walks dogs."
A possessive pronoun indicates</span><span> possession, for example </span>mine<span>, </span>yours<span>, </span>hers<span>, </span>theirs<span>.
</span>A demonstrative pronoun is a pronoun that identifies and specifies a noun or pronoun. This, that, these, those.
Knowing this, you can make a sentence using them all.
"He ate his yogurt that he had been waiting to eat for days."
A compound subject is a sentence with two or more subjects. So the question is asking for a sentence that AGREES with its compound subject or two subjects which would be A. Because the ladybug AND spider whereas the others have OR.