It is important to have a job because that is the way to earn money, and we need money so we could survive. But, actually, that is not the only reason why a job is so important to us. It is also important that we do what we like, because that improves our life's quality. If we have a job that we consider as important and meaningful, and we do it good, it will help us to feel that we live a meaningful life. On the other hand, if we are work something we don't like, our life will be stressful and disgustful.
Please refer to the attachment for the explanation and answers to your questions.
I think it is A because i think 'because' and 'are' are the only subordinating conjunctions. I am not very sure by the way.
Answer:
5. the city is lit up with lights and those lights look like twinkling gems