Which of the following type of aquifers is also known as 'Water Table Aquifer'?

Correct option is A

An unconfined aquifer, also known as the water table aquifer, is an aquifer where the water level is directly influenced by the atmospheric pressure. The water table represents the upper surface of the groundwater in this aquifer, which is unconfined by any overlying layer. Water moves freely in and out of this aquifer.