Answer: a. the receiver understands an idea as the sender intended it.
Explanation:The purpose of sending or delivering the message to someone is so that they get and understand what your message is about and the point that you are trying to make.
If the receiver does not understand or get the idea of the message the. The message has not been successful transferred.
The receiver can not even use the idea or apply the idea if they did not understand it.
Adding the audience could help ease the tension in your presentation so it's true.
D. (on USA Testprep).....<span><span><span><span>American youth became active in trying to change the culture and government policies through voting and other measures. </span></span></span></span>