61 -We may conclude from the passage that the old supermarket trolleys ---- .
A) were supposed to last for ever when they were first introduced
B) are being replaced in response to customer demand
C) are not at all heavy or difficult for shoppers to use
D) are often removed from the shops and left lying around
E) are less environmentally -friendly than the new ones
62 -It is obvious from the passage that Sainsbury's .-.
A) plans to supply the new trolleys to other firms
B) is a company which runs a chain of supermarkets
C) is replacing all its trolleys with 450 plastic ones
D) will be constructing its own trolleys from Durethan
E) has about 250.000 plastic trolleys in storage