By 1906, there were 7 stories, staircases that led nowhere, 47 fireplaces, 37 elevators, chimneys not attached to anything,
closets that opened up to walls, and many more confusing features. Sarah had an obsession with the number 13. There were
13 window panes on the windows, 13 panels on the doors, thirteen steps on all but one staircase, and more.
Read the passage above. How do the commas affect your reading fluency?
a. They create a long list.
They slow down the reader as they pause at
each comma.
d. All of the above
b. They emphasize how many crazy things were
built in the house.