9. It can most reasonably be inferred that the narrator’s
discovery that an error has been made in constructing
the bookshelves is for him a source of:

  • A. embarrassment in the face of coworkers who anticipated

  • B. comfort because it reveals a trait that he shares
    with his family.

  • C. frustration because it will require a remedy that
    will be tedious to carry out.

  • D. relief because it gives him an excuse to seek the
    assistance of coworkers in finishing the project.