The answer would be (A) again because in a essay you are stating your points and you have a structure on how to do it and it must be consistent throughout the whole essay or its going to be choppy and you wont get a good grade. hopefully that made sense. The other answers wouldn't make sense. So go with (A)
Answer:
City life is extremely unhealthy due to air pollution, water pollution, and noise pollution. The people are not getting fresh air to breathe or the clear sky to enjoy the sunshine. Also, food in the cities is dirty, unhealthy and adulterated. The villages are very much away from such drawbacks
Answer:
C sounds like an action of kindness because the narrator is inviting Jackie and it's more kind than B where the narrator is giving a tissue.
Hope this helps! :)
A species that has spinal column or a backbone