The answer is C, 1 7/8.
First, you add 7/8, 3/8, and 5/8 to get 15/8.
Next, simplify 15/8 by finding how many times 8 goes into 15, which is 1 time because 8 x 2 is 16.
Third, you subtract 8 from 15 because 8 goes into 15 one time. This gives you 7.
Therefore, the answer is 1 7/8.
I hope I helped!