Укажите правильный вариант перевода предложения в страдательный залог: They will cancel all the flights because of fog.

Варианты ответа

1. A.All the flights will cancelled because of fog.
2. B.All the flights will be cancelling because of fog.
3. C.Because of fog they will cancel all the flights.
4. D.All the flights will be cancelled because of fog.верно
5. E.All the flights would be cancelled because of fog.