Pick up the correct sequence for the activities of pouring concrete, erection of form work, removal of form work and curing of concrete :

In my knowledge. The correct answer is, B.

The correct sequence is  : B

...........OPTION   B ............

This is not my specialty................Thanks. 

Erection of form work ,Pouring concrete,curing of concrete,Removal of formwork

-----------------------------------B-------------------------------------

sure the answer is option B

B is the only one correct sequence.

THE ANSWER IS B.BUT I DIDN,T UNDERSTAND WHAT IS THE SIGNIFICANCE OF THIS QUESTION