When You First Get into the Swimming Pool, the Water

When you first get into the swimming pool, the water feels rather cool, but after swimming for a while, the water feels fine. A friend asks you how the water is, and you tell her the "water's great." She jumps in and then accuses you of lying because the water is freezing. You really were not lying. It is just that you experienced

A) sensory gating.
B) sensory adaptation.
C) sensory conflict.
D) selective attention.