Question

Which sentence correctly uses commas to separate coordinate adjectives?

More than 700,000 books make up the library's large, diverse, rare-book collection. More than 700,000 books make up the library's large, diverse rare-book collection. More than 700,000 books make up the library's, large, diverse rare-book collection. More than 700,000 books make up the library's large, diverse, rare-book, collection.

IT IS NOT D. AND PLEASE ANSWER ASAP

Answer 1

I guessing the answer would be a. Sorry for being two weeks late :/

Answer 2

the answer is actually B