单项选择题

Questions 17～20 are based on the following conversation about a new snack food. You now have 20 seconds to read Questions 17～20. When will the new product be available

A．In a few weeks.
B．In about two months.
C．In about two years.
D．In ten years.
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单项选择题
A．asB．withC．overD．in
A．as
B．with
C．over
D．in
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