All of These Are Difficulties Associated with Creating an Actual

All of these are difficulties associated with creating an actual advertising message except which?

A) Compensating actors is very expensive.
B) Shooting commercials in several locations for global campaigns has increased.
C) Replacing actors with computer-generated animation is ineffective since humans are best for developing an appeal.
D) Designing quality artwork, layout, and production for advertisements is time consuming.
E) Developing additional content for websites or online video channels is often required to complement traditional commercials.