语法与词汇 You would be _____ a risk to let your child go to school by himself.
【正确答案】 D
【答案解析】句意：你让孩子自己去上学是一种冒险。run a risk为固定搭配，意为“冒险”。omit忽略。attach链接。afford买得起。因此，本题的正确答案为D。