The difference in plot that shows how Theseus's story has been transformed into Arthur's tale is that A. Arthur did not know who his father is.
It should be noted that a plot simply means the sequence of events that are used to illustrate the theme in a literary work.
In this case, the difference in the plot that shows how Theseus's story has been transformed into Arthur's tale is that Arthur did not know who his father is.
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