You must make an apology to him, because you can’t ___________________( 为你粗鲁而愚蠢的行为辩护)

A．supported
B．raised
C．shown
D．received

A．They have lots of clients from various industries.
B．There is a great need for 3D modeling software.
C．PIMS can fulfill the clients’ need of virtual reality.
D．Their software has already been one of the best-selling ones.