According to the writer’s opinion, what might await her children in college that makes her so concerned? ___ 
A、They could fail in finance because they are so ignorant of the rudiments of financial studies.
B、They could be led astray by and hang around with some undesirable classmates.
C、They could fall into some bad habits and become undisciplined and intractable.
D、They could become obsessed with money-making activities and lose the innocence of young people.