单项选择题
the pst yersn exchnge student in Hong Kong, Lindppers more mture thn those of herge.the ps
t yersn exchnge student in Hong Kong, Lindppers more mture thn those of herge.Spending B.Spent C.Hving spent D.To spendA.SpendingB.SpentC.Having spentD.To spend
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