From the table: when x=0, y=1.25
This eliminates A.
From the table: when x=1, y-=1.75
If x=1, Answer B gives a y-value of 0.75. Not correct.
If x=1, Answer D gives a y-vale of 2.25. Not correct.
This means it must be C. You can confirm this by checking the other x-y pairs in the table.