This Question Refers to Flight Pioneers

the following question has 2 parts first answer part a then answer part b
PART A
which idea can be inferred from reading the passage?
A. The wright brothers believed that pervious pilots were unskilledful
B. the wright brothers were motivated by a strong desire to achieve goals
C.the wright brothers believed that most inventions begin as simple toys.
D. the wright brothers were more creative then other designers of their time
PART B
which quotation supports the answer to Part A ?
A. “ the toy was based on a prototype by a french designer who had already researched aeronautics in the 1800s (paragraph 1)
B. “when otto lilienthal died while flying a glider in 1896, Orville and Wilbur began to think more about the science of aeronautics and flight” (paragraph 3)
C. “ when they tested this design in Kitty Hawk, North Carolina, they failed to get desired results, so they continued revising their design” (paragraph 3)
D. “ they finally succeeded in getting the patent in 1906, but other aviators and inventors, including Alexander Graham Bel, made their own claims to the design” (paragraph 6)

PART A

B. The Wright brothers were motivated by a strong desire to achieve goals

PART B
B. “when Otto Lilienthal died while flying a glider in 1896, Orville and Wilbur began to think more about the science of aeronautics and flight” (paragraph 3)