She never lets her daughter participate in an activity unless it is under the

A. The only activities in which she allows her daughter to take part are those watched over by a grown-up. 

B. If an older person is in attendance, she usually agrees to her daughter’s participation in activities. 

C. She always takes her daughter to activities which are supervised by grown-ups. 

D. As long as she herself is present at the activity, she permits her daughter to join in.