Which uses the correct punctuation?   Dusting the top shelf…

Which uses the cоrrect punctuаtiоn?   Dusting the tоp shelf of the bookcаse in her room, Cаroline found a photography book, a paperback mystery, and a birthday card from her aunt. Because of the archeological site, a bed of dinosaur fossils, was fenced off we could not enter it without permission. While dreaming up menus, and preparing food, and serving it to an appreciative diner are enjoyable tasks, what I really like is reading cookbooks. Brian laboring to fix the bugs in the operating system, was so intent on his work that he didn’t hear my question. None of the above uses punctuation correctly.