Passage: The Food Is BadWhat had Lise, Nick and Bill done?（ ）
A、They had gone to garden.
B、They had gone to museum.
C、They had gone to park.
D、They had gone out walking for the day.
【正确答案】：D
【题目解析】：根据《食物太差了》可知：莉丝、尼克和比尔出去散步了一天。A选项“他们去了花园”，B选项“他们去了博物馆”，C选项“他们去公园了”，均不符合题干要求，故选D选项。