题目

He is sure to win—the current situation is in his ____. A. term    B. mind    C. favor      D. expectation 答案：C在平面中，下列命题为真命题的是A.四边相等的四边形是正方形B.对角线相等的四边形是菱形C.四个角相等的四边形是矩形D.对角线互相垂直的四边形是平行四边形