Which one is not a proportional relationship?
A
Mine
Hours
B
Mine
Hours
С
Mina
Hours
D
Mina
Hours
60
1
1
60
120
2
2
120
180
3
2
120
180
3
3
180
300
5
3
180
300
5
5
300
360
7
240
480
8
7
360
