D. Improve sentences without changing their meaning. (Apex)
Answer:

Well, you can take the example of different genres of music. One person might like pop while others might be more interested in country, jazz, hip hop etc. So, what seems good for one might not seem good for others due to their tastes in different things.

She kicked it at a wall, causing the ball to hit the wall and bunce back to her.
Answer:
OMG really sorry that u got bullied.Yup we all love and support you
It was to watch how impressionable children acted on a weighted doll after a adult acted aggressively towards it and to see if hey acted the same way towards it