The sense of danger grows, and the pheasants vulnerability to hunters is revealed.
OR
As the sense of danger grows, the pheasants vulnerability to hunters is revealed.
I believe this depends on the context.
<span>An essay type of writing stating the opinions of the publisher is called an Editorial.</span>
A thesis with a general topic (your answer is a) because then you break down your essay into more detail, using the topic sentence you created to describe what you would be talking about in your essay. Hope this helps.