题目内容
What the public is ______ about is whether medical workers and scientists will be able to find a cure for the new disease in a short time.
A. concerning B. concern
C. concerned D. to concern
C
be concerned about“对……关心;关注……”。句意:公众关注医务工作者和科学家们是否能够在短时间内找到治愈这种新疾病的办法。
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