Final answer:
To accurately determine Cabrera's favorite stuffed animal, specific documented information or personal testimony from Cabrera would be needed, which is not provided here.
Step-by-step explanation:
The question about Cabrera's favorite stuffed animal as a child is a personal detail that might not be widely documented unless it was shared in an interview, a biography, or by Cabrera himself. To answer the question correctly - When he was a kid, Cabrera's favorite stuffed animal was __ - we would need specific information regarding Cabrera's childhood preferences.
Without context, it's impossible to determine if 'Cabrera' refers to a historical figure, a character in a book, or some other person of note. Each choice a) A teddy bear, b) A dinosaur, c) A lion, and d) A monkey represents a different stuffed animal, but without further information, we cannot confidently provide an accurate answer. It's important to rely on verified sources for such personal trivia.