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1- What nature demands of us is that we should exercise both our body and mind regularly
A) Nature wants us to get involved in physical and mental activity on a regular basis
B)Keeping our mind and body busy in a consistent manner is the only way to please nature
C) It's nature's reasonable demand from us to secure harmony between our mind and body
D) In order to meet the expectations of nature we must treat our body and mind equally

Is A correct?

2- In any business, it is important to work with smart people so that you can be successful
A) Success depends on team work and so you must be clever enough to train the people you choose to work with
B) Whatever business you do, you ought to pick smart people to work with if you want to be successful
C) There is no business where the people you work with will not try to prevent you from being successful

Is B correct?

3- Classrooms where students report positive ideas about their classmates are likely to show greater learning gains

A) Classmates who listen to one another's problems are better at helping each other when they encounter learning difficulties
B) What a good classmate should do to help his or her classmates is to give them a chance to show their learning gains.
C) Classrooms in which students constantly talk about one another make it possible for them to appreciate the significance of learning
D) The more freely classmates can express their ideas about each other, the more likely it is for them to understand their concerns
E) If the students in a classroom remarks positively about each other, the amount of learning will probably be higher.

Is C correct?