During a substance abuse class at an elementary school, a student says, 'My Dad used to drink one beer a day. Now he drinks at least a six-pack every day.' What does this child's description of the father indicate?

B Since the parent is increasing his alcohol intake, it is likely that he will soon begin using other addicting drugs. A The parent's judgment is likely too impaired to provide care for the child. D The child is denying that there is a problem of alcohol abuse in the family. C The parent is exhibiting tolerance to alcohol and must increase the amount to achieve the desired effect.