单选题：执行以下代码后将显示什么？* mystr = 'yes'* yourstr = 'no'* mystr += yourstr *

执行以下代码后将显示什么？
* mystr = 'yes'
* yourstr = 'no'
* mystr += yourstr * 2
* print(mystr)

@[C](2)

A. yes + no * 2
B. yes + no yes + no
C. yesnono
D. yesnoyesno



A.yes + no * 2
B.yes + no yes + no
C.yesnono
D.yesnoyesno


答案：C