Why did Dr.Pan just taste a little bit of baked meat and the broth when he was at Dr.Hyle’s home？

Why did Dr.Pan just taste a little bit of baked meat and the broth when he was at Dr.Hyle’s home？
A.Because he wanted to have pizzas and hamburgers.
B.Because he was nearly full.
C.Because he drank too much milk.
D.Because he didn’t like them.
正确答案：Because he was nearly full.