[单选题] 提问人:匿名网友 提问时间:2021-08-22

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

提问人:匿名网友 提问时间:2021-08-22

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