Mesera, quiero el tenedor, por favor. I believe this is the right choice because if in the table people is already eating with forks then it must be a dish where you need to use forks
Nosotros traemos la ensalada
Is that a question? if it is it needs more information for someone to answer it
Is B or C I’m fluent in Spanish and I don’t really know what The expression really mean but I’ll go with C