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.
The answer is C. This is because but is being used as a conjunction separating independent clauses in the other answers. You can remove but from A, B, and D, and you are left with 2 simple sentences.
I hope this helps!!!
In "The Metamorphosis", by Franz Kafka, the status of Grete's and Gregor's relationship is important to the plot because
In "The Metamorphosis", by Franz Kafka, Gregor yearns to be free of his job and his family obligations. It seems as though his wish has been granted when he is transformed into an insect. He is forced to live within the confines of his room. Grete shows pity for her brother Gregor, and after the transformation is his only caretaker and bond with his family and humanity. If he loses her he is in real trouble.