Part B Which excerpt from the passage best supports the answer to Part A?
A. Stickney stopped whistling. (paragraph 1)
B. "Hello, young man," he cried, "what brings you here?"
(paragraph 1)
C. Stickney had placed his two fat hands palms downward
(paragraph 3)
D. "Here," he said, "what's wrong? What's wrong, kid?"
(paragraph 4)

right

explanation:

  this riddles' answer is library.

  the "leaves" are a reference to the books' pages that the library contains; the branches are a network of libraries that connect multiple libraries' collections, resources, and items in a system of a common database, integrating them; the branches' organization are a useful management tool for coordinating the multiple collections many libraries have.

i decided to stay late in the laboratory to continue my experiment with the lightbulb. at midnight, thomas edison opened the door and saw all the stuff he was working on. the lightbulb, film and the transmitter. as he walks in an idea hits him on how the lightbulb would work. he would have to change a few wires around to get it to light up. when he did change the wires around it worked so he decided to write a telegraph to his friend to tell him about his success.   as he was packing up he grabbed the telegraph and walked to his home. he told his wife about the success and the next morning mailed the telegraph.