Answer:
I believe it is "C".
Explanation:
I am not sure if this is right or not at all, but I have a feeling that it is "C" because both a Willow Tree and a Disease are Nouns.
C maybe...
Nonverbal communication is the transmission of messages or signals through a nonverbal stage, for example, eye to eye connection, outward appearances, motions, pose, and the separation between two people.
details
I think B and also what diagram?
