Final answer:
Correctional officials can restrict inmate mail and packages under certain circumstances, and legal mail can be opened in the presence of an inmate. Prisoners have rights, such as the writ of habeas corpus and protection against cruel punishment, but these are balanced with safety needs in prison.
Step-by-step explanation:
The subject of the question pertains to inmate correspondence and the restrictions that correctional officials may place on it. Contrary to the options A and C suggested in the question, correctional officials do have the authority to restrict both incoming and outgoing mail, as well as packages from the outside, under certain circumstances. As for option B, while legal or court mail is generally afforded special protections, there are situations where such mail can be opened, but typically this is done in the presence of the inmate to ensure the mail is indeed legal correspondence and not contraband or another form of prohibited communication. These actions are taken in the interests of security, order, and safety within the correctional facility.
Furthermore, the question touches upon the broader issues of prisoners' rights and the legal treatment of inmates. Prisoners do have certain rights, such as the right to challenge their imprisonment via a writ of habeas corpus, as well as rights against cruel and unusual punishment. However, these rights are balanced against the needs and safety concerns of the prison environment. Debates on the extent of these rights and the humane treatment of inmates continue to shape corrections law and policy.