Choose your answer?

A student poured some sugar into a glass of water. After the water was stirred, no solid sugar remained in the glass. Which statement best describes what happened?

Choices:
[1]. The sugar reacted with water to form elements..
[2]. The sugar reacted with water to form a mixture..
[3]. The sugar dissolved in water to form a solution..
[4]. The sugar dissolved in water to form compounds..
[3].