The t-shirt that they give only to people who finish is a big reason that so many people take up the challenging race.
This paraphrase presents the same information as in the sentence, but since it should be a bit more of a summary, it takes out the specific detail of how many people actually run the race, which can just be paraphrased into 'so many'.
Sometimes being a brave person can be harder than it looks. it’s hard to be brave all the time.but all u have to do is try and it will get better. There are many ways you can improve on becoming less lazy. I personally plan everything I want to do for the day in advance. So I don’t avoid what I have to do.if you want to read more often you have to find a book that you are looking for. something that interests you or something you can relate to. you can stay after school and get extra help. I also recommend a tutor if you are still struggling. but make sure to talk to a teacher so she knows that you are having a tough time.
I think it is D.
'It' makes the sentence unclear in purpose
If you want an answer to the question you need to ask it properly no one can answer because they do not understande what the question is or what it is asking make it more clear
