Final answer:
Crabbe's curiosity might be inclined towards any of the given options depending on the specific book or story being referenced. Context is essential to answer accurately, and it's typically a character's curiosity that drives narrative revelations in literature.
Step-by-step explanation:
Without specific context, it is challenging to provide an exact answer to what Crabbe's curiosity soared for. However, based on the options provided, each possibility suggests a storyline that might be found in literature. Assuming this is a question related to a literary work, one needs to know the specific text to answer correctly.
For instance, if this were a question regarding a character named Crabbe in a Harry Potter novel, the details in the question do not align with the events in those books. Therefore, it seems like this might be from a different book or story entirely. In a high school English class, which typically involves literature and comprehension, such curiosity could pertain to any of the following: discovering hidden family secrets, unraveling a mysterious past, understanding the cause of someone's death, or exploring the contents of a diary.
Within the context of literature, such elements are common plot devices used to drive the narrative forward and reveal information about the characters and their relationships. The exploration of a character's curiosity often leads to the unveiling of crucial plot points that are central to the story's resolution.