Write the expression as a single logarithm. Which of the following options correctly represents the expression:

A) 7log(m)z - (1)/(2)log(m)w + 3log(m)y
B) log(m)(7z) - log(m)(w^(1)/(2)) + log(m)(y^3)
C) log(m)(7z) - log(m)(w^(1)/(2)) + log(m)(y^3)
D) log(m)(7z) - log(m)(w^(1)/(2)) + log(m)(y^3)