Part of a moving wave

A wave moves forward through the water.

But how does each bit of water move?

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Part of a moving wave

The yellow dot shows a bit of water in front of the wave.

The wave moves forward.

What do you think happens to this bit of water?

A

It moves up, then down and then up again.

B

It is pushed forward.

C

It first moves to go down under the dip.

I am sure this is right

I think this is right

I think this is wrong

I am sure this is wrong