Archaeologists have uncovered evidence that cities in ancient India were well organized and sanitary. Which statements below support this claim? Mark all the correct

A. Streets were laid out in straight lines and right angles.
B. Social classes were determined by birth
C. Buildings were all made of bricks that were identical in size.
D. Farmers grew wheat, barley, rice, dates, and peas.
E. Drainage systems carried dirty water outside of living spaces.