Questions 9 and 10 are based on the following news. At the end of the news item, you will be given 20 seconds to answer the questions. Now listen to the news. The example in the news item is cited mainly to show ______.
A.that doctors are sometimes professionally incompetent B.that in cases like that hospitals have to pay huge compensations C.that language barriers might lower the quality of treatment D.that language barriers can result in fatal consequences