Answer:
The correct answer is C.
Explanation:
In this passage, the adjective "ingenious" provide important information about the characters' personalities and attributes.
It allows the reader to see that these men were clever and resourceful.
Option (D) is the correct answer
An animal lacking a backbone, such as an arthropod, mollusk, annelid, coelenterate, etc. The invertebrates constitute an artificial division of the animal kingdom, comprising 95 percent of animal species and about 30 different phyla.