某Pyhon程序如下，运行后输出的结果为？ （ ）scores = [[80, 85, 90], [75, 80, 88], [92, 95, 98]] average_scores = [] for i in range(len(scores)): total = 0 for j in range(len(scores[i])): total += scores[i][j] avg = total / len(scores[i]) average_scores.append(avg) print(average_scores)
A:[85, 81, 95]
B:[85.0, 81.0, 95.0]
C:[80, 75, 92]
D:[85, 80, 95]
正确答案：B
试卷来源：202603 青少年软件编程等级考试Python六级真题