In paragraph 2, the author mentions a study of serious abdominal injuriesA.to discuss how
In paragraph 2, the author mentions a study of serious abdominal injuries
A.to discuss how abdominal injuries in children occur.
B.to show that more than a third injuries were caused by bicycle accidents.
C.to point out what the countermeasures can be.
D.to tell us why Kristy Arbogast began the project.