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A．When you are in a state of subhealth, you should go to see a doctor and buy some medicine.
B．When you are in a state of subhealth, you should stay at home and keep silent.
C．When you are in a state of subhealth, you should find out the reasons and relax yourself.
D．When you are in a state of subhealth, you should have yourself examined in foreign countries.

A．Danny was not a good student
B．Danny’s mother talked too much about the school
C．Danny’s teacher knew something about Danny’s problem before
D．Danny wanted to get away from Rick