Change the following statement into passive voice: Those who worked hard seldom obtained good marks.
Good marks were seldom obtained by those who worked hard.
Those who worked hard seldom obtained good marks.
In the given sentence, the subject is ‘Those who worked hard’, the verb is ‘obtained’ and the object is good marks. While changing the sentence into passive voice, the sentence becomes –
Good marks were seldom obtained by those who worked hard.
Hence option D is the answer.