GRE考试

【单选题】



网考网参考答案：B
网考网解析：
Since [*], then [*] Therefore, d -c = cd, which is positive. Then, d -c is positive, and so d ＞ c. Column B is greater. document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>