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．concerningB．concernC．concernedD．to concern
C

試題分析：考查非謂語動詞。sb be concerned about關(guān)心/關(guān)注...。句意：公眾關(guān)心的是醫(yī)療工作者和科學(xué)家能否在短時間內(nèi)發(fā)現(xiàn)治療這種新型疾病的藥物。concerning是介詞，意為“關(guān)于”。故選C。
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