In the following questions, one or more dots are placed on the figure marked as (A). The figure is followed by four alternatives marked as (a), (b), (c) and (d). One out of these four options contains region(s) common to the circle, square and triangle, similar to that marked by the dot in figure (A). 
Choose the set of figure which follows the given rule. Rule: Closed figures gradually become open and open figures gradually become closed. 