We can say the author organizes the text by comparing and contrasting wolves and dogs (option B) and that the detail that shows such organization is "Large dogs are not only taller than wolves, but they are much heavier, . . .” (option B).
<h3>Comparing and contrasting</h3>
A text that compares and contrasts two things will first list the similarities between those things and then their differences. That is what the author of the text does when he mentions the characteristics of wolves and dogs.
The details that shows the compare-and-contrast organization is "Large dogs are not only taller than wolves, but they are much heavier, . . .” Here the author begins listing the differences between the animals.
With the information above in mind, we can select option B for both answers.
Learn more about compare and contrast here:
brainly.com/question/9087023