Прочитайте текст и заполните пропуски AF частями предложений, обозначенными цифрами 17. Одна из частей в списке 17 лишняя. Study problems and depressive symptoms in adolescents during the COVID-19 outbreak Little is known about the risk factors for mental health problems of adolescents during the COVID-19 outbreak. We aimed to investigate the prevalence of depressive symptoms, А_________, and the effect of parent-child relationships among Chinese teenagers during school closures. We analyzed data collected from middle and high schools in Taizhou, China. Three types of learning problems have been reported, В_________, dislike of distance learning, and excessive screen time. Using data from over 6,000 adolescents, we found that the prevalence of depressive symptoms was 18%. The influence of parental relationships С_________ and depressive symptoms has been found. Our results showed that when students had learning difficulties during the pandemic outbreak, D_________ were particularly vulnerable to an increase in depressive symptoms. And vice versa: in families where parents supported their children, the level of anxiety and depression in case of academic problems was noticeably lower. Interventions E_________ and improve parent-child relationships can reduce stress and ease emotional distress. If school closures are necessary, our results suggest that policy makers should take action F_________ at high risk of mental health problems, which can be caused by lifestyle changes, domestic conflicts, and parental tensions. 1. those with poor parent-child relationships2. their association with academic problems3. that were invented4. including difficulty studying at home5. that help students change learning habits6. to protect adolescents7. on the relationship between learning problems