Answer:
Beth no longer wanted to live at home
Explanation:
I was looking forward to spending time with my cousins last summer.
The correct answer among the choices is option C. Pronouns used as direct objects, indirect objects, and objects of the prepositions are objective case pronouns. There are three types of this case namely direct object, indirect object and the object of a preposition.
Maybe it's because not everyone can cope with each other after such a long time. Maybe not everyone has great social skills after living together for awhile.