A report says a number of the students in middle school have mental(心理的) problems. As middle school students, you should _____ to keep a mental health.

①take part in more outdoor activities

②lock yourself in a dark room when you fail

③ask the teacher for help if you often feel upset

④communicate with parents or teachers more often

⑤shout at people when you have trouble getting on well with them

A、①④⑤

B、②③④

C、①③④