— The film is, I have to say, not a bit interesting.

— Why? It's _____ than the films I have ever seen. [ ]

A. far more interesting

B. much less interesting

C. no more interesting

D. any less interesting

一个33位的无符号二进制整数，化为十六进制数有______位。

A．10

B．9

C．8

D．7