{
  "id": "S003",
  "type": "单选题",
  "type_code": "single",
  "stem": "以调查某一时期某种产品销售量为何大幅度下降为目的的市场调查是（ ）研究。",
  "stem_text": "以调查某一时期某种产品销售量为何大幅度下降为目的的市场调查是（ ）研究。",
  "options": [
    {
      "key": "A",
      "text": "探测性"
    },
    {
      "key": "B",
      "text": "描述性"
    },
    {
      "key": "C",
      "text": "预测性"
    },
    {
      "key": "D",
      "text": "因果关系"
    }
  ],
  "options_text": [
    {
      "key": "A",
      "text": "探测性"
    },
    {
      "key": "B",
      "text": "描述性"
    },
    {
      "key": "C",
      "text": "预测性"
    },
    {
      "key": "D",
      "text": "因果关系"
    }
  ],
  "answer_keys": [
    "D"
  ],
  "answer_display": "D",
  "answer_texts": [
    "因果关系"
  ],
  "sources": [
    {
      "edition": "第12届",
      "edition_num": 12,
      "no": 3,
      "uid": "12-003",
      "file": "第12届本科模拟题（10.19）.xlsx"
    }
  ],
  "source_display": "第12届 第3题",
  "source_count": 1,
  "images": [],
  "warnings": [],
  "conflict": null,
  "url": "/q/S003.html"
}