The author mentions that "Byron's literary craftsmanship is irregular" most probably in order to A. contrast Byron's poetic skill with that of Shakespeare B. dismiss craftsmanship as a standard by which to judge poets C. offer another reason why Byron is not a "great" poet D. point out a negative consequence of Byron's belief that the cosmos is incomprehensible E. indicate the most-often-cited explanation of why Byron's poetry lacks subtle verbal nuances