According to the text, why are the Lines and Geoglyphs of Nasca and Pampas de Jumana considered an "exceptional testimony" of the magical-religious...

According to the text, why are the Lines and Geoglyphs of Nasca and Pampas de Jumana considered an "exceptional testimony" of the magical-religious tradition in Pre-Columbian South America?

(A) They provide evidence of a continuous and intense religious activity over a thousand years.
(B) They were created solely for artistic purposes, devoid of any religious significance.
(C) They represent a blend of cultural practices from various South American civilizations.
(D) They have remained unchanged for over two millennia, preserving their original designs.
(E) They were constructed using advanced technological tools not available to other societies.