Which word correctly completes this sentence

Which verb phrase means “to cook the food” in spanish

Juan: ? hola, valeria! feliz cumplea? os. valeria: muchas gracias, juan. juan: valeria: tengo 16 a? os. a. ? qué a? os tenemos? b. ? cuántos a? os tengo? c. ? cuántos a? os tienes? d. ? cuántos a? os tienen?

When could you attach the direct object pronoun to an infinitive verb? a: when an infinitive verb follows a conjugated verb. b: when an infinitive verb ends in a question. c: when a stem-changing verb ends in a question. d: when a stem-changing verb follows a conjugated verb.