Answer:
I'll take C.they are potentially destructive
To be honest, it's a little confusing myself, hehehe. But I believe that C might be the right answer or B. You might have to wait for other answers besides mine.
The fist answer choice is correct, "<span>I want to look for my watch, but I can never seem to find the time." This is because it fits the definition of a pun. Hope this helps :)</span>
U use it when u are talking about a noun