Questions 4 to 7 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions.
Will they give everyone on the team an extra day off

A．This antimicrobial property is flexible to the metal.
B．E. coli bacteria are eliminated only on a dry copper surface.
C．E. coli bacteria are eliminated only on a wet copper surface.
D．The copper can prevent the spread of Ｅ.coli infections.

A．thousands of people were killed in the disaster
B．he failed to handle the earthquake and tsunami disaster
C．he tried to head off a rebellion
D．the Fukushima Daiichi nuclear plant was crippled