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.
I BLIVE THE RIGHT ANSWER IS C
Here's an example: Nearly every characteristic presented in the play has an opposite: Helena is tall, Hermia is short; Puck plays pranks, Bottom is the victim of pranks; Titania is beautiful, Bottom is grotesque. I hope this helps.
Maybe you would give a couple of pictures of whales doing intelligent things, make sure the things you find are true, just as an idea whales help there not to be an over population of one creature in the ocean.
Explanation:
as a result that's it good luck