[单选题]What does the underlined phrase last mile problem in Para. 7 mean?
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2023-09-30 03:09:24
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[单选题]What does the underlined phrase last mile problem in Para. 7 mean?

A.It's difficult to get to a specific place, such as an office, a café, a bar, etc.
B.The last mile before reaching the destination.
C.The doctor's office is always a mile away from where the blind live.
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