Final answer:
Gwen was likely scared of a. Max due to his intimidating appearance when she first saw him with Freak.
Step-by-step explanation:
The question 'Why was Gwen scared of Max the first time she saw him with Freak?' relates to the characters from the novel Freak the Mighty.
Gwen's initial fear of Max could likely be described as a response to a. his intimidating appearance.
Max is a very tall and large boy, which could naturally make someone meeting him for the first time, especially a protective mother like Gwen, feel scared or concerned for their child's safety.