The correct answers are A. girdle and B. shame.
Sir Gawain wore a green girdle (which is practically a belt) around his neck which was given to him by the Green Knight's wife. In the beginning, the girdle represented his strength, but later on it gained the meaning of his shame. He took another man's wife and he dishonored his lord so he started wearing the girdle as a symbol of that.
I think your question is incomplete...
Answer:
The label symbolic interactionism was coined by Herbert Blumer (1969), one of Mead's students. ... If most of those who use it agree, the meaning of a symbol is clear; if consensus is low, the meaning is ambiguous, and communication is problematic.
hope this help u