How many major categories of informational texts exist?

the third answer is right : )

i hope this you with your work! : )

  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 think the correct answer is b. phrase