单项选择题

Could all speakers please produce summaries of the sessions they gave.The speakers should write

A. full details of what is in their session.B. a brief report about their session.C. a proposal for their session.
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单项选择题
TOUR A - 210: MORNING LONDON TOUR 9:00 am-13:00 pm ADULT: $35 CHILD: $20
A. It takes 5 hours to tour around London.
B. The cost is different for adults and children.
C. A-210 is a full day tour in London
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