It is hard to imagine a large city without policemen, but such was the ______ in London in the early 18th century.

A．Chest models are more convenient.
B．Frostless freezers must be defrosted by hand.
C．The cool and dry spot will shorten compressor life.
D．Keep the freezer at least three-quarters full.

A．putting it in an unheated garage if possible
B．trying to keep it away from heat, drafts, and humidity
C．locating it near a sink if it is a manual-defrost model
D．locating it as close as possible to the kitchen door