Correct Answer:

Solution : Here the pattern is as follows —
1. In the given series, @ and the triangle are changing their positions at second and third place.
2. The symbol in the first place moves to the fourth place and, the symbol/geometrical figure in the fourth place gets eliminated, and a new symbol is introduced at the first place.
Thus, the missing part of the figure is alternated to –

Therefore, the complete figure is as follows –

Hence, the second option is correct.