Which expression means the same as 3 1/3 ? A. 1/3 + 1/3 + 1/3 + 1/3 B. 1/3 + 1/3 + 1/3 + 1/3 + 1/3 + 1/3 + 1/3 + 1/3 + 1/3 + 1/3 C. 3/3 + 3/3 + 3/3 D. 1/3 + 1/3 + 1/3 + 1/3 + 1/3 + 1/3 1/3 + 1/3 + 1/3