Answer:
A) At first, the water was a gas. Later, it was a liquid.
Step-by-step explanation:
The molecules of a solid cant move at all, so therefore we can knock out B and C. Moleculaes move more freely in a gas form than in a water form, so therefore the firt form has to be a gas, so knock out the answer choice D, which keaves you with A. I hope this helps :)