The greatest celestial observatory of Neolithic times, stonehenge, is (a work) of (such) (Magnitude as it) absorbed the energies of (prehistoric Britons) for three hundred years.

A. the highly civilizing
B. have used
C. most essential
D. of all kinds

A．are very critical of the belief that good work can be a natural product of instinct
B．reject the idea that good work is second nature to man
C．do not regard as serious the opinion that good work can be done at any time regardless of inspiration
D．are deeply scornful of the idea that good work can only be done when free from external influence and prompted by internal stimulus