题目

有如下程序代码: import pandas as pd data={ '姓名':['李商隐'，'欧阳修'，'李白'，杜甫'],'借阅次数': [ 32,16,30,26]} df1=pd. DataFrame (data, columns=[ '姓名'，'借阅次数']) c = 0 for i in range ( len (df1 ['姓名'])): if df1.at [i，'姓名'][0]= ='李':c+= df1.at [i，'借阅次数'] print (c) 该程序运行后，输出的内容为（） A . 46 B . 48 C . 58 D . 62选择适当的句子补全对话（其中有一个多余选项）。A: Hi, Lisa! Nice to meet you again.B: Hi, Cindy. 1. _____A: I usually get up at 6:30. 2. _____B: At 5:30.A: Really? 3. _____B: Yes, first I run then I do morningA: Do you go to school by bus?B: 4. _____A: Oh, you have a good habit .(习惯).B: Thank you. That's because 5. _____A  I 1ike sports very much.B. What time do you go to school?C. When do you usually get up?D. No, I walk to school.E.  How about you?