What is the purpose of the passage? A. to prove which country the light bulb’s inventor came from B. to prove who invented the light bulb C. to show that there were public lights be
What is the purpose of the passage?
A. to prove which country the light bulb’s inventor came from
B. to prove who invented the light bulb
C. to show that there were public lights before 1879
D. to inform the reader of the history of the light bulb