第12题: [单项选择]Nobody______ when I complained about the food, so nothing was done about it. A. turned to me B. relied on me C. backed me up D. held me up 参考答案:A 答案解析:back up“支持”:rely on“依靠”,如:You may rely on me.你可以信赖我。turn to sb.“求教于”、“求助于”、“向求助:求得安慰”:hold up“拦截”,如: