I would say B. to have a thorough knowledge of grammar
The answer to your question is B!!! ;)
Answer is
<span>Books and movies about dystopias are popular.
</span><span>A dystopia is an imaginary place or country that is horrible.
</span>Neither my brother nor I was able to put down a novel called Dead Seas<span>.
</span><span>The sequel of the movie is sure to come out soon. </span>
The main idea is usually the one that stands out when scanning a material. Answer for 1 is A. For 2, in all dictionaries, the definition of the words is included as it is its main purpose. In 3, the main theme of the excerpt is the soldier's return to his hometown. Answer is B. For 4, the central idea is <span>C. Channing is hoping all of his years of service will result in a promotion. For 5, the antonym of delicate is C.robust. Finally, for 6, the answer is D. </span>
The answer is C, Falling out of bed, Dustin hit his head on the night stand.