Explanation:
We have to go by this through elimination.
It certainly isn't about food groups, since fish and eggs are under the same category; same goes to cheese and nuts.
It certainly looks too childish to be something made to or by medical health professionals.
It certainly isn't about sources of protein. Since salt and juice seem to be above chicken.
That leaves us with the only answer that makes sense:
Answer:
B)sixth graders interested in good nutrition.
1 the man talking on his phone missed his bus
2) the tv show we watched last night wasn’t very good
3) the actor appearing in the play is from france
4) i love the photos taken from the book
The adjective clause in this sentence is 'who has read thousands of books'. It is an appositive, separated from the rest of the text by commas, and has an adjectival meaning - it modifies the noun, Anthony.