Which of the Following Indicates the Correct Flow of Olfactory $\rightarrow$

Which of the following indicates the correct flow of olfactory information?

A) olfactory bulb $\rightarrow$ olfactory receptors $\rightarrow$ olfactory nerve $\rightarrow$ brain
B) olfactory receptors $\rightarrow$ olfactory bulb $\rightarrow$ olfactory nerve $\rightarrow$ brain
C) olfactory bulb $\rightarrow$ olfactory nerve $\rightarrow$ olfactory receptors $\rightarrow$ brain
D) olfactory receptors $\rightarrow$ olfactory nerve $\rightarrow$ olfactory bulb $\rightarrow$ brain