Before fridges came into use it was still possibl

Before fridges came into use,it was still possible for people to have fresh foods because______.

A. milk,meat,vegetables,etc.were delivered

B. it has promoted the sales of many kinds of commodities

C. foods can be preserved

D. most kids like iced soft drinks

E. every housewife needs food

F. the fridge produced when it is working

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