What is the best title for the passage

A．It' s not good to buy the product which is sold in a glass or dish.
B．The quality of a container has nothing to do with the quality of the product.
C．The best choice for a buyer is to buy a product in a plain package.
D．A buyer should buy what he needs most rather than a well-designed package.

A．would start their work by listening to a joke
B．were cold to newcomers
C．were always punctual for work
D．lacked devotion to the company