A．Because Tolly was very brave.
B．Because Tolly was often absent.
C．Because he was afraid of the expedition.
D．Because his parent did not want him to come.

A．He chooses his favorite Color as he grows up.
B．He can choose his favorite color at any time.
C．He has his favorite color as soon as he is born.
D．He inherits his favorite color from his parents.