Given below are four jumbled sentences. Pick the option that gives their correct order.

A. The home then was a bungalow, single storied and bounded by walls.
B. He states that in the early 1950’s houses in most cities relied on the bungalow model.
C. According to Gautam Bhatia ,a leading architect we need to bring about a radical change in our model of housing.
D. Sadly ,nearly 70years later after a 100-fold increase in city population, density and land value we still persist on the same outmoded model