Which of the following is the trial's finding?
A.The vaccine will protect people at the highest risk of protection.
B.The vaccine can protect people at low risk.
C.The vaccine will be not effective one year later.
D.The protective effect matches formal statistical significancE.

A.The
B.
B.The
C.
C.The
D.
D.The
E.

【参考答案】

B
解析：根据题干关键词important finding of the trial定位到原文第三段首句，此句承......

(↓↓↓ 点击下方‘点击查看答案’看完整答案 ↓↓↓)