The author of the passage mentions bridles in the highlighted portion of the passage most likely in order to A. suggest that restraint was only one of the many symbolic meanings attached to bridles B. provide an example of an everyday, physical object that was not endowed with symbolic meaning C. provide an example of an object that modern critics have endowed with symbolic meaning different from the meaning assigned it by seventeenth-century Dutch artists D. provide an example of an object with symbolic meaning that was not always used as a symbol E. provide an example of an everyday object that appears in a significant number of seventeenth-century Dutch paintings