Answer:
(a) Non verbal communication
Explanation:
Analysing the given options
(a) Non-Verbal Communication: This involves the use of signs and expressions other than words for communication
(b) Oral Communication: This basically means spoken words
(c) Verbal communication: This is another expression that represents (b) oral type of communication
(d) Written communication: Literally, this includes writing down words for communication
After analysing (a) to (d), we can conclude that (a) answers the question.
The pre-writing stage can vary for every writer, but oftentimes it's used to determine everything except the details of the plot/argument--only the general stages are considered.
Just say whats in your mind since this is your sister's wedding just stay calm and just talked about the good things that you two did when you were children. Express how you feel and tell your sister that you are proud and happy for her. :)
Hope this helped