I think it's D because it's the main thing
Cob has been used since the 17th century as a building material. It is made by mixing dry sand, sifted clay and water. A cob house is a house that is made from this material. A benefit of using this material, is that it is sustainable and only uses natural products.
Scrooge allows Bob Cratchit to shiver cold in the anteroom because Scrooge refuses to spend money on heating coals for a fire !
Alexandra claims that both she and Atticus decided it was time for Scout to have a feminine influence.
