Given here are four sentences. The first sentence is in the correct order, while the rest of the sentences are jumbled. Pick the option that gives the correct order.

A. So from above the city, I am now beneath it in the limestone caves, 

B. as well because you can walk through all the nooks and crannies of the existing caves

C. It’s a little bit chilly down here so I have donned a jacket and It’s like a low-key adventure sport

D. 33 kilometres of caves is about 7 different ones all connected together underneath the city itself