Okay so I got 1 answer but I keep getting the other 3 wrong. I need help:(

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

La lengua de los inca y de muchos peruanos indígenas es a. el español c. b. el inca d. el quechua el ande

Which word correctly completes this sentence? me encanta la ropa tradicional, es la y la más barata. a. buena b. mejor c. peor d. mala