How does a new KDP writer supposed to market a book?

Because you cannot persuade readers to buy any book in which sentences do not make sense. This shouldn't be “does.” If you don't see the problem, that is a big problem.

C) that are unreadably terrible in any other way.

How does a new KDP writer supposed to market a book?

iFixit says the Switch 2 is even harder to repair than the original - The Verge

D) that are presented with bad covers, bad descriptions, or ludicrously bad interior formatting.

Or

A) that are not actually books.

Aussie firms Soul Patts and Brickworks' $9 billion merger sends their shares rocketing - CNBC

D) Pay promotion services like Written Word Media to promote your book. Legitimate services will not accept your book for promotion if the presentation is crappy or the book is badly written.

E) Take a solid year to learn how to use Amazon or Facebook ads and be prepared to lose quite a bit of money as you figure it out.

A) Build a following on social media, a following of people who will buy your books. Good luck with that. There is very little evidence that social media can translate to sales.

What would be the lowest score with 9 strikes and no gutter balls?

B) that are filled to the brim with typos or errors.

C) Persuade book reviewers on BookTok or Substack or someplace to recommend your book. If your book is unreadably terrible, this is probably impossible.

Are you planning to proofread your book to avoid sentences such as

What are your main K-pop groups? (Or groups you listen to)?

You cannot effectively promote books

B) Build a newsletter mailing list of people who will buy your book because they trust you to write books they want to read. This is slow, but ideal.

Or

Is it possible for sociopaths to feel genuine remorse for their actions or thoughts towards others, even if they are skilled at hiding it from others?

If your book is well presented, well written, and basically free of typos, then