Because of the of her pet dog Jenny was so sad and cried for a long time.Adie B. dea

问题补充：

Because of the of her pet dog, Jenny was so sad and cried for a long time.

Adie

B. death

C. dead

D. dying

答案：

A. die

(答案→)B. death

C. dead

D. dying

解析：句意:因为她的宠物狗的死去，Jenny非常伤心，哭了很长一段时间。because of 因为，表示原因，后跟名词或动词的ing形式。die 是一个动词，死；death 是名词，死亡；dead 是形容词，死的；dying 是一个现在分词。故选B。