B, because one of them left it home, and their is the correct term.
<span>A pier glass, otherwise known as a trumeau mirror is used in decorating a room. Pier glass was common in the parlors of homes during the 18th century. The mirror has a long and tall shape. You may often find it being in the same shape as the rooms windows. Pier glass can also be described as a mirror which is placed on a rooms pier. The pier being a wall between two windows that is supporting an upper structure.</span>
whom
Explanation:
the lady to whom you spoke just now is my teacher
The rubber duck made a sound as its nature was bouncy.
I hope this helps! :)<span />
