The innovation depicted in the image above is best regarded as

(A) an advanced system of water management. (B) an example of monumental architecture. (C) a method for fortifying cities. (D) an agricultural technique associated with the Neolithic Revolution.Explanation: (A) This question relies on interpretive skill. Impressive as it may be, the qanat depicted here is clearly not a fortification or a piece of monumental architecture, making B and C incorrect. It is also too advanced to be associated with the Neolithic period, as in (D)