A) No es delicioso
Por que dice que no es muy sabroso (ósea que esta rico pero no lo suficiente)
If the starting tense is future and in the ellos form and its a regular verb the answer would be comprarían.
1- do you like burgers?
2 - do you like yogurt?
3 - which do you prefer orange juice or milk?
4- what time do you eat breakfast?
5- what do you eat for breakfast?
6- what do you drink for breakfast?
7- At what time do you eat lunch?
8- what do you eat for lunch ?
.. hope this helped :/
D- colectivo, es lo mismo que tomar el autobus