i want to help with Spanish with anything I just help people out with they work or learning with Spanish

Can someone me with these questions ?

What is the correct way to say "my knees hurt"in spanisha. me duelen las munecasb. me duelen mis rodillasc. me duelen mi espaldad. me duelen las rodillas

Which one of the following is the correct rhyme to keep in mind when using the spanish counterparts to this, that, those and these? a: “that” and “those” both have s’s, “this” and “these” don’t b: “that” and “those” both have t’s, “this” and “these” don’t c: “this” and “these” both have s’s, “that” and “those” don’t d: “this” and “these” both have t’s, “that” and “those” don’t