He felt when he found a stranger about at the gate of the police station.A. puzzling; hu

问题补充：

He felt when he found a stranger about at the gate of the police station.

A. puzzling; hung

B. puzzled; hung

C. puzzling; hanging

D. puzzled; hanging

答案：

A. puzzling; hung

B. puzzled; hung

C. puzzling; hanging

(答案→)D. puzzled; hanging

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