A programmer decides to create a game for mobile phones. The programmer is searching for investors for the game. The programmer asks if the game classifies as e$-$commerce. What is the most appropriate answer?

a$.$

The game classifies as B$2$B$.$

b$.$

A mobile game can't classify as an e$-$commerce business.

c$.$

Everything that runs on mobile phones is an e$-$commerce business.

d$.$

The game classifies as a mobile e$-$commerce business.