by the beauty of the countryside the old couple decided to stay another week on the farm.

问题补充：

by the beauty of the countryside, the old couple decided to stay another week on the farm.

A. Being attracted

B. Attracted

C. To be attracted

D. Having attracted

答案：

A. Being attracted

(答案→)B. Attracted

C. To be attracted

D. Having attracted

解析：考查非谓语动词。句意：被乡村的美丽所吸引，这对老夫妇决定在这个农场在呆一个星期。过去分词表示句子主语被动的发生过的动作。和句子主语是动宾关系，结合语境可知选B。