Answer:
multimedia
Explanation:
Multimedia is a form of communication that comprises of many forms and modes of communication. Text, image, audio, video and animations all are collectively placed under multimedia. The combination of these media helps in better processing of the information. More interactive and attractive method helps in better display of information thereby helping in better communication.
“have” should be replaced with “has”.
C would be the best answer, because they put more understanding into the sentences.
I think it is the first and the last one.