单项选择题

A．Avoid over-packaging products.B．Use cloth napkins and……

Questions 17-20 are based on the following passage. You now have 20 seconds to read questions 17-20.

What does the speaker suggest people should do when they go shopping

A．Avoid over-packaging products.
B．Use cloth napkins and cloth towels.
C．Not buy any products with plastic wraps.
D．Take their own bags to hold things in.

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