单选题
{{I}} Questions 23 to 24 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions.
Now listen to the news.{{/I}}
单选题
Two Iranian guards have been expelled because they _____.
【正确答案】
A
【答案解析】[听力原文]23-24
U.S. officials say two security guards of the Iranian mission to the United Nations in New York City have been expelled for spying. Officials say the two Iranian guards were caught on three occasions photographing infrastructure, modes of transportation and landmarks in the city. An Iranian spokesman says the guards were merely visiting one of New York's tourist attractions.