The correct answers is option:
<u>C. A Highland basin.</u>
Is the Highland Plateau located in the now occupied by Mexico City.
Also know as the Anahuac Valley and commonly confused with the Mexico Basin it is a geographic region that is located in the Southern center of the Mexican Republic. Originally it was a endorheic basin that housed the Lakes Texcoco, Xochimilco and Chalco
The answer to your question is D.
Its B. the practice of writing down laws for all to know.