One of the museums that
makes up the Cedar Falls Historical Society in Iowa is Ice House Museum
A. makes up the Cedar Falls Historical Society in Iowa is
Wrong. Singular verb "makes" is used to describe the plural noun "museums".
B. make up the Cedar Falls Historical Society in Iowa are
Wrong. Plural verb "are" is used to describe the singular noun "Ice House Museum".
C. make up the Cedar Falls Historical Society in Iowa is
Correct. This option fixes both the errors seen in options A and B.
D. makes up the Cedar Falls Historical Society in Iowa are
Wrong. This option has both the errors of options A and B.
E. make the Cedar Falls Historical Society in Iowa is
Wrong. Use of "make" conveys an unintended and illogical meaning by suggesting that "Ice House Museum" made the "Cedar Falls Historical Society". "Make up" is the appropriate usage in this context of the sentence since it explains that the "Ice House Museum" is one of the different things that the "Cedar Falls Historical Society" consists of.