![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-53/ti_inject-812ce.png)
What can we learn from the passage?
A.
People can hardly get Vitamin D from daily diet.
B.
Heavy use of sunscreen can promote the Vitamin D production by the body.
C.
The Vitamin D density is strengthened in milk and bread.
D.
The standard amount of Vitamin D intake keeps no change for kids and adolescents.