单选题 What can we learn about the result of the latest study?

A、 There was a significant difference in total deaths from cancer between the two groups.
B、 There was no significant difference in death rates between the two groups.
C、 The comparison group has a lower death rate.
D、 More veterans died from leukemia than from other cancers.

【正确答案】 B

【答案解析】[解析] 本题的依据句是“After an intensive review of service and death records，researchers found no difference between the two groups in overall death rates or in total deaths from cancer．”，从中可知B项为正确答案。