The death of the first lead-dog helps Walt (Paragraphs 39-45) because:
- B. It enables Walt to put a better lead-dog at the front.
According to the given narration, the author talks about Walt and his adventures; how he tried to evade his pursuers successfully.
Along the way, Walt realizes that he is using the wrong lead dog and although he knows he needs to change him, he cannot afford to because his pursuers will catch up with him.
However, the lead dog gets shot and it proves to be an unplanned blessing as he puts a better lead-dog at the front
Therefore, the correct answer is option B
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