单选题 Modern bodies are especially ______ to cancer, because technology produces waste that inhibits their proper functioning.无

【正确答案】 C

【答案解析】句意：由于技术会产生妨碍人体正常运转的废弃物，现代人尤其易受癌症威胁。 be prone to 有……倾向，易于……。因此，本题的正确答案为C。