Final answer:
The correct answer is option C. Belonged to the victim.
Step-by-step explanation:
The subject of this question falls under the category of English. The question is asking about a killer prom dress and the options provided are related to the dress's history or ownership. To determine which option is correct, we need to analyze the given information or context.
Option C, Belonged to the victim, is the most logical choice because it implies that the dress was owned by the victim, indicating a connection to the crime.