Answer:
preterito is used for past actions that are completed and imperfecto is used for past actions that didn't have a start or end
examples
imperfect
repetitive action
something u used to do
time or age
talking about the future
preterito
how long it occurred
took place at a certain time
start of a event
completed actions
Answer: its son beacuse es woudnt make sense in that sentence
Explanation: think about it quienes it wouldnt go with es bc the end of quienes is es. It would only make sense with son. its kinda hard to explain. ig since im hispanic and ive hurd and used that word before. I cant really explain it that well sory but i hope this somewhat helped but trust mi its son .
Explanation:
elegir (D) espero que ayude