From the passage, we know that Bobby was ______.

A．Bobby had refused to live in other people' s home.
B．Bobby was devoted and faithful to his master.
C．Bobby was once arrested because he did something wrong.
D．Bobby was protected by Lord Provost William Chambers until his death.

A．counteract self-serving and confusing uses of the term
B．establish a compromise among those who have defined the term in different ways
C．increase comprehension of the term by providing concrete examples
D．avoid possible misinterpretations resulting from the more common uses of the term