All the descriptive words make you get a picture in your mind
The warrior is the character being described, since he is the one marching to the building and also the clue his which is a description of male ownership and bereft of this joyance means he was deprived of his joyance... all in one these things describe what the warrior was doing and how he was feeling.
I think it would be answer D, to introduce an idea because it's introducing the idea of a Venus Fly Trap's diet.
The use of the comma here is incorrect because t<span>hese are two independent clauses and should be separated by a semi-colon or a period not a comma. Hope this is what you are looking for. </span>