A Pilot Checks for Water in the Gas Before Flying

A pilot checks for water in the gas before flying a small airplane. How does she do it?

A) She drains a little bit of gas from the bottom and looks for two layers.
B) She smells it.
C) She shakes the wings.
D) She pipets the liquid from the top of the tank and looks for two layers.
E) She checks the gas gauge.