pyq/2020/csat/31

In the sum ⊗ + 1 ⊗ + 5 ⊗ + ⊗⊗ + ⊗ 1 = 1 ⊗⊗ for which digit does the symbol ⊗ stand?

(A) 2

(B) 3

(C) 4

(D) 5