问题

Would you like to ________ the performance of newlydeveloped energysaving device?— Sorry, but I am not in the position to ________. [ ]
A:make a comment on; comment
B:have a comment with; comment on
C:build up comments on; comment on
D:come up with a comment; on
B:have a comment with; comment on
C:build up comments on; comment on
D:come up with a comment; on
正确答案是: