Answer:
B. A, B, C
Explanation:
Coordinate headings assume using the same type of marking for starting a new chapter. Those can be Arabic or Roman numerals, uppercase and lowercase numerals, cardinal and ordinal numbers, but the author should always use just one of them, not a mixture.
Only in the answer B we find such a marking with using uppercase letters A, B and C.
On the other three answers we have a mixture of Arabic and Roman numerals, uppercase and lowercase letters.
topic : “The Tell-Tale Heart”
main point : The life cycle of the cicada is complicated and can last up to seventeen years
Did you mean to include a link to a story? :)
I think there are many best selling ones. Maybe you can Google it.