Pls help with I ready

researchers have found that school makes children from ages 10-18 sleep deprived  

Explanation:

Children and teens they need a lot of sleep. If children do not get at least 8 hours of sleep at night, they will not focus on the their school work.not getting enough sleep at night will be effective in their adult life. They need to learn how to get the proper sleep so that they can do better. Getting 8 hours of sleep every night is also good for your mental and physical health. It will help children with social skills and overall life skills.

Read more on -

Explanation:

i would think its c but i'm not sure

i also think it is d (sorry if it's not)