Why were will clark's parents uncertain about letting will go to george coleman's tavern that morning in 1779?

a.
will had only met george coleman once before, and coleman had been mean to him.

b.
will was quite small for his age, and his parents didn't know if he was strong enough.

c.
will was just nine years old, and what he was to do was dangerous.

d.
will had a history of disobeying or forgetting what his parents told him to do.