I think the answer to this question is A
Answer: as a result
Explanation: Examples illustrate a point. Above all signals a building of an argument with a most important point. In contrast means there is going to be an example on the opposite side of the preceding point.
Answer: One of skin's many jobs is preventing water loss. In bats, healthy wing membranes help maintain a water balance in the body. The fungus damages bat wings, causing small holes and scar tissue to appear in the membranes. Bats could be losing excess water through their injured wings, some scientists propose.
Explanation: Hope this will help
