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
In paragraph 14, you just need to look at the text and think about what the paragraph is mainly about, then you’ll have your answer
B, C and F I believe... please correct me if I'm wrong, though ^^