Answer:
C
Step-by-step explanation:
I think your question is missed of key information, allow me to add in and hope it will fit the original one. Please have a look at the attached photo.
My answer:
We choose C because they want to know the proportional relationship in the pricing of the cucumbers which mean the two variables must follow this form:
In answer C:
2 = 5
4 = 10 <=> 2*2 = 2*5
6 = 15 <=> 2*3 = 3*5
.....
Hope it will find you well.