Let $y=2t5$ be a linear function representing the distance, in feet, from home for an ant $t$ minutes after starting out from a location near its home. What does the number $2$ represent in this function?

A$.$ The ant is $2$ feet from its home after $t$ minutes.

B$.$ The ant is crawling at $2$ feet per minute.

C$.$ The ant is moving $2$ feet every $5$ minutes.

D$.$ The ant started out $2$ feet from its home.