#4 would be your answer, because he's being tested against all of these forces
Rule of thumb is a guide or refs principle of some sort. For example, "as a rule of thumb, I do not begin big projects until the weekend." I hope this helps.
The sand was lava, burning and flowing
The answer is A. You do not want to overdo the information you are giving, so you should limit it to one paragraph. <span />
Answer:
D - Although I have a lot of friends, there are only a few people at
school who have really seen the true me.
Explanation:
This sentence best summarizes the work ahead, introducing the idea that he will discuss his friends, and the few people who have seen his true self. A makes sense for the subject, but introduces the topic too early for it to make sense. B makes an unrelated point, and would not work as a topic sentence but as an end point. C... I honestly don't know what this option says.