Read the sentence from the chapter "My Breaking In" from Black Beauty. "… I hope you will fall into good hands; but a horse never knows who may buy him, or who may drive him; it is all a chance for us; but still I say, do your best wherever it is, and keep up your good name."
What is the most likely meaning of the phrase "keep up your good name"?

A. meet the expectations of others
B. maintain a respectable reputation
C. live your life for your family
D. stand up for yourself