Answer:
The "Exhalation" is a science fiction short story and the story talks about a person named Ted Chang and his explorations. To the question mentioned what is the narrator's idea and clearly promoting to the reader is the letter "B". The answer is letter "B" the importance of learning from others.
16. opinion 17. fact 18. opinion
I would say this is a complex sentence. Because it has one independent clause(their more aggressive style did not pay of.) and two dependent clauses.
Biased <span>is an antonym for objective. Objective means not biased, not subjective. </span>