单项选择题

Sentence Completion
Rather than portraying Joseph Ⅱ as a radical reformer whose reign was strikingly enlightened, the play Amadeus depicts him as thinker, too wedded to orthodox theories of musical composition to appreciate an artist of Mozart’s genius.

A.a revolutionary
B.an idiosyncratic
C.a politic
D.a doctrinaire
E. an iconoclastic