Well u can include on education and health and how to control them
The correct answer is C because it is the only option where a verb agrees with its compound subject correctly.
In A, it should be 'have eaten', because there are two subjects, 'a robin' and 'a sparrow'.
In B it should be 'are nominees', because there are two of them.
In D, neither goes with a singular verb.
Considering that you didn't provide answer choices, I don't really know how to help you.
Mr.Frank gave Anne the diary after they moved into the Secret Annex to write down her thoughts and whatever was on her mind.
Peter and Anne have a delicate relationship at the beginning,( and they often argued!), but later, they become more affectionate towards each other.