When You Inhale Slowly and Deeply,this Helps Identify Odors

Multiple Choice

When you inhale slowly and deeply,this helps identify odors.Why?

A) The receptors need more air to the odors.
B) The threshold for odor detection is high.
C) More odorants are brought into contact with the olfactory epithelium.
D) Adaptation to odors is slow.
E) Olfactory transduction can only occur if a certain level of odorant concentration is available.