All civil liberties are:

a. So specific in nature that the courts have no difficulty determining how to interpret them.

b. Conditional no right is absolute in practice because a right can conflict with each other rights and societys other other legitimate interest.

c. Contained in the first Amendment.

d. Known that is, all rights that citizens have today are exactly the same ones they will have in future.

Is b the answer?

Yes. B. is correct.

As the old saying goes, "I have the right to swing my arm -- until it connects with your nose."

Hehee thank you!

You're welcome.

Yes, your answer b is correct. Civil liberties are not absolute in practice because they can sometimes conflict with other rights or the legitimate interests of society.