Sentence Correction (SC) | Re: QOTD: The Anasazi settlements at Chaco Canyon were built on a

The Anasazi settlements at Chaco Canyon were built on a spectacular scalewith more than 75 carefully engineered structures, of up to 600 rooms each, were connected by a complex regional system of roads.

A. with more than 75 carefully engineered structures, of up to 600 rooms each, were --- it is clear that this simple sentence is riddled with two verbs namely 'were built' and 'were connected' without a proper conjugation. This is double verbing and out
B. with more than 75 carefully engineered
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