A perched lake is above the water table. If a perched lake is to remain permanent, then:

A) the amount of inflow of water must be equal to or greater than the amount of outflow and losses to evaporation
B) the amount of inflow must be less than the amount of outflow and losses to evaporation
C) the water table must be raised

Perched Lake

A body of water situated above the normal water table, created by local, impermeable layers of rock or sediment.

Inflow

The process of water or other fluids moving into a particular area or system, contributing to the volume contained within.

Evaporation

The process by which water is converted from its liquid form to vapor, typically under the influence of sun and heat.