The answer is the amputation of the lieutenant's arm. None of the other options are events in the story. The lieutenant returns home and we don't know the outcome of the battle. There is also no evidence he was ever ill.
The answer would be dependent.<span />
Some examples<span> of </span>pronouns<span> include I, me, mine, myself, she, her, hers, herself, we, us, ours and ourselves.
From that, you can tell the answer is "I".
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1, because it is supported throughout the whole paragraph.
