— .
A:Yes, it isn't
B:No, it is
C:Yes, it is
D:No, he isn't
俗夫胸襟谁识我?____。(秋瑾《满江红.小住京华》)
(参考数据:sin72°≈0.95,cos72°≈0.31,sin40°≈0.64,tan40°≈0.84)