单选题 Although any destruction of vitamins caused by food irradiation could be______ the use of diet supplements, there may be no protection from carcinogens that some fear might be introduced into foods by the process.
【正确答案】 A
【答案解析】counterbalanced by起平衡作用。attributed to归因于(某事物)。inferred from(根据事实或推理)推断，推定。augmented with增多，增大。