422. In three centuries—from 1050 to 1350—several million tons of stone were quarried in France for the building of eighty cathedrals, five hundred large churches, and some tens of thousands of parish churches.

(A) for the building of eighty cathedrals, five hundred large churches, and some
(B) in order that they might build eighty cathedrals, five hundred large churches, and some
(C) so as they might build eighty cathedrals, five hundred large churches, and some
(D) so that there could be built eighty cathedrals, five hundred large churches, and
(E) such that they could build eighty cathedrals, five hundred large churches, and

Solution:

OG Solution:
Choice A is best. The other choices are unidiomatic or unnecessarily wordy, and the pronoun they, which appears in B, C, and E, has no grammatical referent.

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