It is a tradition for chinas japanese and korea for about a tousands years hope i helped i am barely geeting the hang of this..
C. That you should eat healthier....
correct me if i'm wrong.
B) imagery // hope this helps :)
D. State boards of education are those who determine the content of textbooks.
Obviously, students and students' parents have nothing to do with this decision. Ultimately, teachers don't either - they are there just to teach the material found in the textbooks.
The only word that could potentially be a compound noun is patents, but that has its own definition-a government meeting of some sort.
A compound noun would be a compound word that is also a noun, but there aren't really any compound words.
I know this doesn't really help, sry.