![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
执行下列代码后的结果是() x=15;echo x++; y=20;echo ++y;
A.15,20
B.15,21
C.16,20
D.16,21
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.15,20
B.15,21
C.16,20
D.16,21
A.20
B.20.0
C. NaN
D.155
A.While循环执行5次
B.该循环执行一次
C.循环一次都不执行
D.该循环是一个死循环
A.['A','B','C']
B.['A','B','C','D']
C.代码出现报错
D.['C']
A.5050
B.4950
C.450
D.45