Which of the Following Was the Result in the Case

Which of the following was the result in the case in the text challenging regulations involving the posting to a website of human readable source code of an encryption software program?

A) That computer source code is not protected by the First Amendment.
B) That computer source code is protected by the First Amendment and that restrictions involving restrictions to such code are reviewed under a rational basis standard.
C) That computer source code is protected by the First Amendment and that restrictions involving restrictions to such code are reviewed under the substantially related test.
D) That computer source code is protected by the First Amendment and that restrictions involving restrictions to such code are reviewed under a strict scrutiny standard.