Which was a result of the growing prosperity china experienced under the song dynasty?
a women gained equality with men.
b daoism began to grow in popularity.
c the size of the gentry grew.
d the government began to build canals

I think the correct answer from the choices listed above is option C. The result of the growing prosperity China experienced under the Song Dynasty would be that the size of the gentry grew. As landholders and drafted government officials, the gentry considered themselves the leading members of society; gaining their cooperation and employment was essential for the county or provincial bureaucrat overburdened with official duties. 

The answer is d. spain.

Your answer is d)magnesium