What of the following can be the best title for the passage

A．We should shop as Mary did.
B．Readers have to be careful when buying products.
C．Goods made by hand are sure to be better than those made on assembly lines.
D．It is better for Mary to buy a new toaster.

A．workmanship now can not be found as it was in the past
B．the toaster was broken because Mary used it too much
C．the quality of goods now isn't as good as it was
D．it is fair enough for the store not to give money back to Mary