【单选题】

{{I}}Questions 22 to 23 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}} What isChad worried about

A、More refugees would flee toChaD、
B．Arab militias would cross intoChaD、
C．Arab militias would attackChaD、
D．Tensions would increase in the border are
A、