单选题 He had merely come out for a stroll.
【正确答案】 A
【答案解析】[词义辨析] stroll与walk同义，意为“散步，漫步，闲逛，溜达”。running“跑，跑步，赛跑”；looking“外表，外观，神情，表情”；pleasure“喻快，快乐，高兴，满足”。