单项选择题

In 2008,27 people were arrested because of the contaminated(有毒的) milk powder ______.

A．incident
B．accident
C．event
D．occurance
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He spoke so quickly that I did not ______ what he said.
A．catch
B．accept
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This is one of the most beautiful pictures of scenery that ______ displayed here.
A．is
B．are
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