Given below are four jumbled sentences. Pick the option that gives their correct order. 
A. Now, that the real estate sector has got its own regulator, RERA, from May 1, 2017, things are expected to improve. 
B. For many of the homebuyers, across locations the delay has extended to almost six years or more.
C. In the absence of a regulator and with no rules in place, the builder-buyer battle appeared one-sided.
D. For the buyers of real estate properties the delay in possession of their homes has been the biggest concern.