Select the correct answer.
Which sentence from the passage supports the reason why some culverts need to be modified?
O A. "Many of these crossings intersect different types of roads in the region, including highways and freeways." (paragraph 6)
O В.
"The drainage leading to the culvert passes through citrus and avocado orchards as well as near homes in the small community of Somis." (paragraph 12)
O c.
"Many underpasses are unusable for wildlife species because of siltation blocking the culvert or walls associated with the culverts blocking access." (paragraph 10)
O D. "In many situations, animals apparently view roads as a barrier to movement and do not even try to cross them." (paragraph 7)