The sentence which uses correct punctuation is C. In time, of course, all issues get resolved, but not necessarily in the way you would like.
In A, the comma before <em>he was concerned </em>should be a dash. In B, there should be a colon before <em>a flashlight, </em>not a semi colon. In D, there should be a comma before <em>yet, </em>and not a colon.
the use of an insect is particularly significant because of all the things in this world, the insect is often seen as bothersome, disgusting, and easily squashed. While some people may see value in insects (for pollination, for example), most find them easy to ignore or horrific.
Answer:
The people walking along the boardwalk enjoyed the fresh and salty ocean air.
Explanation:
I think this is what you wanted