Jason sends an email to Tyson using his smartphone, who reads it on his tablet PC$.$ Which of the following best explains how the email travelled from Jason's smartphone to Tyson's tablet PC$?$

A$.$ Jason's smartphone $-$ network interface card $-$ router

network interface card $-$ Tyson's tablet PC

B$.$ Jason's smartphone $-$ central connection point Tyson's tablet PC

C$.$ Jason's smartphone $-$ network interface card $-$

Tyson's tablet PC

D$.$ Jason's smartphone $-$ router $-$ network interface card $-$ Tyson's tablet PC