Which statement best describes an artistic convention used in the Book of Kells?

Monks depicted humans and animals using flat shapes that did not overlap.

Calligraphers signed their name on each page to demonstrate their devotion to God.

Calligraphers painted the text on individual pages to keep it separate from the decoration.

Monks painted interlaced lines that twist and weave around one another.
Chi-Rho Page from the Book of Kells, showing the first two letters of the word Christ in Greek