In the second paragraph, what do the job descriptions of scribes, rubicators, and illuminators suggest about bookmaking in Medieval Europe?

A.
They demonstrate the similarities with modern-day printing.

B.
They show how the craft was influenced by science.

C.
They suggest the focused, personal nature of the craft.

D.
They explain the reasons a new printing method was invented.

C. They suggest the focused, personal nature of the craft.