Claim: it is more difficult to find out about the real king arthur than the origin of his legend.

which of the following supports the above claim?

a) "but, as skeptics have been quick to point out, nowhere does glidas mention the name of arthur."

b) "so goes the tale, as told by geoffrey of monmouth."

c) "the legend of king arthur--in stark contrast to the actual man--is easy to track back to its origins."

d) " such is the nature of classic myths. they can transcend almost any sort of border; witness the revival of the legend in the twentieth century…"