What the pubic is ____ about is whether medical workers and scientists will be able to find a cure for the new disease i
问题描述：
What the pubic is ____ about is whether medical workers and scientists will be able to find a cure for the new disease in a short time.
A.conerning
B.concern
C.concerned
D.to concern
答
选择C
be concerned about
顺便解释一下句子：
公众所担心的是（不知道）医务工作者和科学家们是否能在短时间内找到治愈这种疾病的方法.
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