In this, box 1 and box 3 are forming a relationship. From box 1, each arrow is rotated 180 degrees from the corner of the arrow in the same place and formed box 3.
Similarly, box 2 and box 4 will follow the same logic. After following the above-given logic box 4 will look similar like the figure in option (a).
Hence option (a) is the correct answer.
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