根据《建设工程施工合同(示范文本)》，对于实施工程预付款的建设工程项目，工程预付款的支付时间不迟于约定的开工日期前( )天。

A．7

B．14

C．28

D．30

Questions 1-4

What in the advertisement has made the man laugh？（）

A．The products were all made from fresh vegetables and fruits.

B．The homemade products were actually made in the factory.

C．The factory was equipped with the most sophisticated machinery.

D．There were homemade fresh vegetables and fruits in the factory.