—  When should we leave for Paris? 

—  _____. Any time is OK with me.     [ ]

A. You have the choice          

B. It’s up to you

C. I don’t care          

D. Never mind

用内插法计算某方案的内部收益率认为方案可行的话，该方案的实际收益率大于投资人期望的报酬率，该方案可行。( )