Which of the following will be the ‘FIRST’ sentence after the rearrangement ?

Rearrange the following six sentences (A), (B), (C), (D), (E) and (F) in the proper sequence to form a meaningful paragraph, then answer the questions given below them.
A. Opening up the Bhagirathi eco-sensitive to projects could be dangerous.
B. This policy scraps the one announced by the United Progressive Alliance in 2012 which marked the area as a no-development zone and asked the state to constitute a monitoring committee to ensure that those activities allowed in the zone can be conducted without disturbing the environment.
C. Union road transport minister Nitin Gadkari announced last week that the Centre would soon start road and other projects in the 100-km-long Bhagirathi eco-sensitive zone (BESZ) in the upper reaches of Uttarakhand after securing approval for them from all concerned departments.
D. One of the main reasons why the decision has raised a red flag is the experience of the 2013 floods in the state. E. The policy was opposed by all parties in the state. F. The decision to open up the BSEZ has raised questions on the correct thing to do in this ecologically fragile zone.