单选题A new study has foun

问题补充：

单选题Anewstudyhasfoundnoevidencethatthesunscreen,commonlyusedtoreducetheriskofskincancer,actually____therisk.A.increaseB.increasingC.increasesD.having increased

答案：

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。 commonly used to reduce the risk of skin cancer作the sunscreen的定语。