A recent report  from Fuzhou Daily says about 18% of Fuzhou teenagers  can have problems with their minds(,).Some students become worried because they have to study very hard. Others have trouble getting on well with people like their parents and classmates. Zhang Qiong, a junior 2 student from Fuzhou, could not understand his teachers in class and was doing badly in his lessons. He was afraid of exams. When he looked at the exam paper, he couldn't think of anything to write. Another student, a15-year-old girl called Wu Yuan from Xiamen often argued ( ) with herclassmates even her parents because of some difficult ideas. She became so angry with them that she started to cut her finger with a knife. However, many students who have problems won't go for advice or help. Some think they will look stupid if they go to see a doctor.  Others don't want to talk about their secrets. here is some advice for the teenagers to solve the problems: Firstly, talk to your parents or teachers often. Secondly, take part in group activities and do sports. Thirdly, go to see a doctor if you feel unhappy or unwell. From the passage we know teenagers have problems with their  _  minds because of.
their study difficulty getting on well with other people their hobbies A and B