The second option of next, best fits the descrpition
Okay so you just replace certain words in the sentences with the words in the brackets. For example, in the 2nd question you rewrite the sentence as Looking after animals is *far more* time consuming than looking after children. Hope this helps! :D
Answer:
I guess it's the third and the fourt
A; because the narrator is usually a character in a story, who interacts with other characters.