Answer:
After receiving the memory of warfare, Jonas is reluctant to return to receive memories from the Giver again. Jonas asks about the Giver's favorite memory. ... He is surprised when the Giver transmits his favorite memory to Jonas.
Explanation:
The sentence that uses the word them as an indirect object would be Leo sent them a postcard from NASA.
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The answer would be the last one, leave it as is. B and C change the meaning of the sentence entirely, while A sounds unnatural and is too verbose.
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