Answer: In the sentence, Fred sent his Grandmother an emall all on his new computer, 'his grandmother' is an indirect object.
Explanation:
Indirect object of any sentence is its noun or pronoun that obtain the action of a Verb in an indirect manner. To know the indirect object, ask the question of 'to whom', 'for whom', or 'for what' and the answer to this question will be the indirect object. In the sentence, 'Fred sent his Grandmother an emall all on his new computer' - Fred is a subject, sent is a verb, an email is a direct object and his grandmother is an indirect object. To whom did Fred send an email? His grandmother.
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D. because he is comparing them to hounds as a metaphor because they are hungry for money as would hounds be hungry for meat