all the animals I’ve ever had these two dogs are the most sensitive to the spoken word.

问题补充：

all the animals I’ve ever had, these two dogs are the most sensitive to the spoken word.

A. From

B. Of

C. For

D. With

答案：

A. From

(答案→)B. Of

C. For

D. With

解析：考察介词。根据上下文的意思可知是指在我所拥有的所有动物里。这里所用的介词表示所属关系，故of正确。