单项选择题

A.0.04167kmol苯/kmol惰气,0.00833kmol苯/kmol惰气
B.0.02kmol苯/kmol惰气,0.005kmol苯/kmol惰气
C.0.04167kmol苯/kmol惰气,0.02kmol苯/kmol惰气
D.0.0831kmol苯/kmol惰气,0.002kmol苯/kmol惰气