GAUSS7 2016 Problem 16

Each of \Box,\Delta and \blacklozenge represents a non-zero number. If \Box=\Delta+\Delta+\Delta and \Box=\blacklozenge+\blacklozenge, then \Box+\blacklozenge+\Delta equals

Answer Choices
A. \Box+\Delta
B. \blacklozenge+\Delta+\Delta+\Delta+\Delta
C. \blacklozenge+\blacklozenge+\Box
D. \Delta+\Delta+\Delta+\blacklozenge+\blacklozenge
E. \blacklozenge+\blacklozenge+\blacklozenge+\Delta+\Delta