Can someone help me with this it a bit confusing it’s Spanish

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.

11. choose the answer that best completes the sentence. tú (participar) en deportes. (2 points) a: participa b: participamos c: participo d: participas

Which of the following would fit these sentences? 1. es importante comer de grupos de comidas cada dia 2. estoy (with you); los guisantes son saludables 3. en una ensalada tomates no hay muchas grasas word bank: 1. la salud, 2. bien, 3. lechuga, 4. comida, 5. que si, 6. todas, 7. prefieres, 8. de acuerdo