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The sentence that shows the correct use of em dashes is the last option: By the end of the story -- no one could believe it -- the main character was dead. An em dash is also the same with a comma and parentheses that is used in the sentence to separate certain phrases or additional information.
We can actually deduce here that the sentence that shows correct use of em dashes is: By the end of the story – no one could believe it – the main character was dead.
What is sentence?
Sentence refers to a group of words that come together to form a subject and a predicate. It usually carries a complete thought.
We see that the selected answer is the correct answer since it makes correct use of em dashes.
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