单项选择题

How did the man know that the delegation is made up of seven people

A．He received a call from the delegation.
B．He discussed with the Poland delegation.
C．He knew it through the contract they signed.
D．He received an E-mail this morning and knew it.
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单项选择题
What consequence may a decreasing birthrate result in
A．Great pressure on housing.
B．Rising demands of goods.
C．The prosperity of the building industry.
D．A declining market for goods.
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