I could help you but I cant see the whole page and question.
they mean fruit membrillo is a quince which is a type of fruit and guayaba is a guava which is also a type of fruit. the answer is c ;)
I took this class last year. Here are the answers. :)
- Debemos comer los tomates para mantener la salud.
- No debemos comer las grasas para mantener la salud.
- Debemos comer los platanos para mantener la salud.
- Debemos comer las uvas para mantener la salud.
- No demembos comer la mantequilla para mantener la salud.
- Debemos beber la leche para mantener la salud.