Answer:
Key Detail:
In the Serengeti Park, wild animals like lions are facing dangers; not the dangers of hunting because hunting wasn't allowed. These animals seem to be in danger due to disease. This makes them to be in trouble and gives the tourists and the veterinarians much concern.
Explanation:
The above key detail gives important information about was going on in the Serengeti Park. Lions were in trouble as they battle with disease. Even the veterinarians didn't understand what was going on. They seem to be helpless. It became clear that what was happening wasn't ordinary but extraordinary. Something needed to be done.
I think it is the third one but im not 100% sure
The correct answer is C. For instance.
Explanation
A transition is a word or phrase that is used to move from one idea to another. This transition can be used to complement, contrast, deny, and develop an idea. In this case, sentence 3 is a complement to sentence 2 because it provides an example by explaining how some essential items in the library were damaged. So, the most accurate transition for this is "For instance" because it expresses a relation of complement and exemplification. So, the correct answer is C. For instance.