Texting on cellular networks generally limits messages to

Do not end a presentation by demanding something from your audience unless you are reasonably sure you can get it

Indicate whether the statement is true or false

The creation and promotion of media products comes with two problems ______.

A. it is expensive and time-consuming B. it is time-consuming and audience preference greatly differs C. it is expensive and audience preference greatly differs D. it is time-consuming and sponsors are hard to come by