In the sentence provided, "Racers, start your engines" the word <em>Racers</em> represents a noun of direct address.
These nouns of direct address are defined as words that name a person, places, things or ideas. In the particular case of the sentence provided this name (Racers) reffers to the persons who are taking part in the career.
Answer:
D The conversation builds tension and foreshadows upcoming events.
Explanation:
I took the exam
Children In Japan often tame pet mice to teach them to dance.
Answer:
Hyperbole
Explanation:
It’s over exaggerating the piece of cake