Jack,here you are at last?Where___?A have you gone B have you been C did you come D had you been

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Jack,hereyouareatlast?Where___?AhaveyougoneBhaveyoubeenCdidyoucomeDhadyoubeenJack,hereyouareatlast?W

Jack,here you are at last?Where___?A have you gone B have you been C did you come D had you been
Jack,here you are at last?Where___?
A have you gone B have you been
C did you come D had you been

Jack,here you are at last?Where___?A have you gone B have you been C did you come D had you been
B.
A是指去到某地还未返回,B指已经返回.

b