单项选择题


Questions 29 and 30 are based on the following news. At the end of the news item, you will be given I0 seconds to answer the questions.
Now, listen to the news.
The news item mainly about

A.meat canning, a tradition in American church groups.
B.American church groups’ canning food for those in need.
C.how to can food in American church groups.
D.die canned food delivery all over the world.