A new study has found no evidence that the sunscreen, monly used to reduce the risk of skin cancer, actually____ the risk.A.increaseB.increasingC.increasesD.having increased
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C解析考查句型结构。根据句子结构可知该词作句子的谓语。句子完整机构为是the sunscreen actually increases the risk。 monly used to reduce the risk of skin cancer作the sunscreen的定语。