Answer:
The answer is B because we are talking about athletes' work ethics and not what the other answers are about
A good life is better the good life sounds more restricted
B. Someone opened the window because he or she was too warm.
The use of "he or she" is correct here because at the beginning of the sentence uses the word "someone" which is singular and the two must correspond, so the that one must be singular as well so it can't be "they" or "them"
The most likely answer is true, because if a successful security system is in use, the people within the system will feel more secure and more safe then they would otherwise feel, so the answer is most likely true.
<span />
The scores on the paper the character is holding shows that he is smart, but he's about to walk off of the edge because he's wasn't watching where he was going, this implies that he is not making a smart choice by staring at his paper and walking without paying any attention to where he is going. So it's ironic because it shows that he's smart making a not so smart choice.
Hope this helps!!