According to Lachs, what is one of the two strategies the dogmatist relies on to show that his own ultimate values are universal and defensible?

a$.$ The dogmatist says that ultimate values do not need to be justified; they are self$-$evident and shine by their own light.

b$.$ The dogmatist says that only some ultimate values need to be justified, and proceeds to explain them.

c$.$ The dogmatist says that his own personal values are always right, and that they do not need to be explained.

d$.$ The dogmatist says that ultimate values are difficult to justify and thus moral rules must be taken as dogma.