Select the option that expresses the given sentence in indirect speech.
“Have you ever thought how difficult it is for the migrants to earn these days?” father asked his son.
1
Father had asked his son if he ever thought how difficult it was for the migrants to earned those days.
2
Father asked his son whether he had ever thought how difficult it was for the migrants to earn those days.
3
Father asks his son if he has ever thought how difficult it was for the migrants to earn these days.
4
Father asked his son if he has ever thought how difficult it is for the migrants to earn these days.