(lc)which sentence below shows correct use of an em dash?

a: i have read that book - the first in the series - at least five times a day
b: i have read - that book - the first in its series at least five times a day
c: i have read that book the first in its series at least five-times
d: i have read that book the first - in its series at least five times

C

Explanation:

When evaluating text, it is more important to analyze how the author is using different techniques, elements, and structures to convey his message. As long as the reader can clearly understand the text, then it does not matter how the reader feels as long as they got the message. An author can put thousands of hours researching; still, if his/her writing is not clear enough for the reader to understand, then he/she will need to improve the writing by using different elements.