Sometimes the sender and receiver can not share meanings perfectly, because ( ) from the perspective of Communication.
A.
The signs what are used by the sender could not express the idea he thinks.
B.
The meaning what the receiver got is not the same as the sender's. He will explain the symbols from his own perspective.
C.
The sender and receiver are not very familiar with each other.
D.
There is still a misunderstanding between the sender and receiver, because of the differences of their educational background, cultural context and life experiences.