GRE考试

【单选题】



网考网参考答案：C
网考网解析：
Each column is the product of 11 integers, one of which is 0. Since 0 times any number is 0, each column is 0. The columns are equal (C). document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>