A．He was eager to do the course.
B．He had done a lot of outdoor exercise.
C．He enjoyed adventurous activities.
D．He was timid and reluctant to go to the course.

A．Parents are more influential than teachers in children’s education.
B．Parents are ignorant in making the most of their children’s intelligence.
C．Parents are not advised to educate their children before school.
D．Parents find it easiest to teach their children to read at home.