In paragraph 2, the author mentions a study of serious abdominal injuries ______.A.to disc
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