Hello,
I think you need to add more info and the entire article, but I know what text you are talking about because I have work on it before; therefore, I already read it.
Answers:
5.) D. The teaching profession has many advantages and many frustrations; whether or not you should become a teacher is ultimately up to you.
6.) D. Being a teacher has many drawbacks: a low salary, frustration with parents and students, and long hours of work after school has ended.
7.) D. Being a teacher means having many benefits: personal job fulfillment, a strong union, supportive friends and colleagues, and many holidays and breaks off during the school year.
Hope have helped you :)
Sorry just commenting for algorithm
<span>D. They are written in the format of a business letter.</span>