When a pattern has multiple elements changing at once (like color and shape/position), analyze each element's pattern separately. Then, find the option that correctly continues all the individual patterns simultaneously.
Here it helps to check the wave pattern first, since it is the stronger, more regular signal running through the whole strip, a single continuous wave drifting steadily downward one block at a time.
Tracking where the wave's trough or peak sits in each block from top to bottom, the next block should show a peak sitting in the upper half, one step further down than the peak in the previous block.
Only Option B shows the wave at exactly that position, and its pink shade also continues the colour sequence moving through the spectrum from green through blue and purple.
So Option B is the block that continues both patterns.
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Approach Solution -2
A different discriminator is to check only whether the wavy line crosses the vertical centre of the block once or twice, since this count itself follows a steady pattern moving down the strip from the first block to the last.
Option A: the line crosses the centre the wrong number of times for its position in the sequence, so it does not continue the established count.
Option B: the line's crossing count matches exactly what the sequence requires at this point, and its colour also fits the expected shade in the green-to-pink progression.
Option C: both the crossing count and the colour break from the established sequence.
Option D: the crossing count is close but the colour does not match the expected shade for this position in the spectrum rotation.
Since Option B is the only block that keeps the line-crossing count and the colour both consistent with the rest of the sequence, it is the correct continuation.
