Withtightdiseasecontrol,theriskofMERS

問題詳情：

With tight disease control, the risk of MERS _____ among Chinese remains low, although the outbreak

   in South Korea has been rapidly worsening.

A. infecting              B. having infected     C. infected            D. being infected

【回答】

D

知識點：非謂語動詞

題型：選擇題