答案：B

题目分析：句子的意思是：正是女主人用她在村庄里购买的一些必需品才烹调出这么美味的晚宴。题干中的that引导的是定语从句，修饰supplies，同时充当定语从句谓语动词bought的宾语，这个that不是引导强调结构。填空处为强调句型，可通过还原法得知：The hostess cooked such a nice dinner from only a few supplies that she had bought in the village. 故选B。