Which of the following can be inferred from the passage? A. The invention of the airplane wasn’t welcomed at first.
Which of the following can be inferred from the passage?
A. The invention of the airplane wasn’t welcomed at first.
B. Lilienthal’s idea helped the Wright brothers build their airplane.
C. The Wright brothers failed to find out methods to control the balance of airborne vehicles.
D. The experiment of the Wright brothers did not enable them to design a flying machine.