The correct answer is enthusiasm. Not being enthusiastic is unprofessional because it can prevent your business from developing or your interpersonal relations from developing. The remaining ones are equally important because you have to be invested and proud of what you're doing while being thankful for it and enthusiastic.
<span>They both utilizing the surprise and mystery nature. Sometimes we can be too focused on what's in front of us that we miss what we would have otherwise saw.</span>