27. Dogs are often praised for their ____; they almost never abandon their masters.       
    A. faith   B. loyalty   C. trust   D. truthfulness
<loyalty>
loyalty  忠诚, 忠心
</loyalty>
<faith>
faith  信念
You must have faith in yourself.  你必须相信你自己。
</faith>
<trust>
trust  vt.信任, 信赖 n.(~ in) 信任, 信赖
</trust>
<truthfulness>
truthfulness  真诚
genuine  真诚的, 真实的
</truthfulness>