Answer:
Option D, Ambrogio Lorenzetti, is the right answer.
Explanation:
Ambrogio Lorenzetti was a painter from Italy belonging to the Sienese school. In Siena's Palazzo Pubblico, he portrayed "The Allegory of Good and Bad Government". The frescoes on the fences of the Cabin of the Nine are one of the masterpieces of initial period renaissance secular representation.