As explained by Howard and Donnelly, what is the "cultural relativist's" argument with respect to human rights?

a. Human rights are pointless because they cannot be enforced.
b. Human rights are a thinly veiled tool of Western imperialism.
c. Human rights must be enforced in different ways depending on the cultural context.
d. Human rights are Western constructs that cause damage if they are imposed on non-Western cultures.
e. Human rights are subjective standards that cannot produce objective results

Answer: d