A Concerned Parent Calls the School Nurse Because of Changes

A concerned parent calls the school nurse because of changes in his 15-year-old's behavior.In counseling the parent,the nurse would inform him that the behavior most likely to be abnormal and indicate possible substance abuse is the adolescent's:

A) Buying baggy,oversized clothing at thrift shops and dying her hair a dark black shade.
B) Becoming very involved with participating with friends on a basketball team,never seeming to be home,and when she is home,preferring to be in her room with the door shut.
C) Receiving numerous detentions lately from teachers for sleeping in class.
D) Becoming very moody,dramatically crying,and weeping one minute and then cheerful and excited the next.