题目

One afternoon last summer I was driving along on my way home when I noticed a woman at the roadside near the edge of town.She was_41_a wheeled suitcase and was having a rough way to go since there was no sidewalk,only grass. I pulled over to a nearby parking lot to_42_her.I suspected that she was_43_the homeless shelter across the street._44_it became apparent that she was on her way somewhere,I continued to observe.She appeared to be in her fifties and was dressed very_45_,a skirt nearly to her ankles,a blouse,and a lace shawl around her shoulders.In truth,I was not only_46_her situatio下列现象的描述错误的是（ ）A．磷在氧气中燃烧生成白色烟雾B．铁丝在氧气中剧烈燃烧火星四射C．硫在氧气中燃烧产生蓝紫色火焰D．木炭在氧气中燃烧发出白光