—Happy Birthday, Ken! Did you invite Jason?

—Yes, but he _____ a meeting in New York otherwise he wouldn’t be absent from my birthday party．

A．is attending

B．has attended

C．was attending

D．attended

评估投资价值与评估市场价值的方法的不同之处是( )。

A．假设前提

B．理论依据

C．评估主体

D．评估目的