Answer: 2 grave robbers were unconcerned about the pharaohs’ afterlife.
Explanation:
According to this excerpt from "Egyptian Tombs: A Grave Matter”, we can reach to the conclusion that grave robbers did not care about the pharaoh's life after death. If they were concerned about his afterlife, they would never enter a grave.
Answer 1 and 3 are not correct because are not mentioned in the text.
Answer 4 is incorrect because not all the graves were stolen.
The correct answer is 2.