This is just a personal question, answer what you think
A. "howls" is correct. These can be confusing, because if it were just "wolves" it would be "howl", but since it's a "pack", which is singular, it's "howls". Try saying it out loud.
Answer: it could mean a number of things; but “Dreaming and Making the Dream come true is wonderful!” To lose the ability or desire to Dream, to think, to accomplish, are indeed list.
Explanation: