Sincethebabymilkpowderwasfoundtobepolluted,therehasbee...

問題詳情：

 Since the baby milk powder was found to be polluted, there has been universal doubt _____ other food products are safe _____.

  A. that; to eat       B. whether; to be eaten

  C. whether; to eat      D. that; to be eaten

【回答】

C

知識點：複合句

題型：選擇題