In order to change the adjective into the superlative form in Spanish, it is necessary to add syllables and modify the ending of the adjective, but you need to pay attention to the subject to respect the gender.
The adjective is BELLA so you have BELLISIMO and BELLISSIMA.
For example: El cuadro es bellisimo ( cuadro and bellesimo male gender)
La historia es bellisima (historia and bellisima female gender)
You might have number changes as well when using the plural. BELLISIMOS/ BELLISIMAS.
1. Yo doy una fiesta
2. Jaime y yo traeremos regalos
3. Marcos dirá a qué hora es la fiesta
4. Carmen y Marcos pondrán la Mesa
5. Ella va a aspirar
The word cocina in English is cooks so that makes it a verb
your answer is D hope it helps
Conozco la novia de jose.