Укажите правильный вариант перевода предложения:
Если бы её усилия не оправдались, она бы сильно расстроилась.
1)if her effort had failed, she would be very upset.
2)if her effort has failed, she would be very upset.
3)if her effort failed, she would have been very upset.
4)if her effort would fail, she was very upset.
5)if her effort would had failed, she had been very upset.