Answer: D) Famous conservation leaders George Adamson and Diane Fossey were killed by poachers who saw the, as a threat.
Explanation: The correct answer is chose by looking for the correct meaning of the phrase, in this case, George Adamson and Diane Fossey were famous conservation leaders, they were killed by poachers and the reason they were killed is that the poachers saw them as a threat, so the option that express those three ideas is "D".