According to Sanderson and Alderson, Modernization Theory's Concept of "Traditional

According to Sanderson and Alderson, modernization theory's concept of "traditional society" is:

A) of questionable validity because it lumps highly diverse societies together
B) useful because it allows us to see just how such a society differs from a modern one
C) useful because it allows productive research into the problem of underdevelopment to begin
D) too new to be reliably assessed