Which of the following statements about incorporation is correct?

a$)$ All ten amendments comprising the Bill of Rights have been incorporated over time.

b$)$ Today, only the Third and Seventh Amendments remain unincorporated, though most states voluntarily comply with the Seventh Amendment's requirement of jury trials.

c$)$ While the first five amendments of the Bill of Rights have been incorporated, the other amendments remain unincorporated.

d$)$ Only the First and Second Amendments of the U$.$S$.$ Constitution have been incorporated.