Answer:
A. Parliament to King Charles
Explanation:
The **Petition of Right** was a significant constitutional document that set out specific liberties of the subject that the king is prohibited from infringing. It was sent by **Parliament to King Charles I** in 1628, during his reign. This document challenged the authority of the king, addressing grievances related to non-Parliamentary taxation, forced billeting of soldiers, imprisonment without cause, and the use of martial law.
Thus, the correct answer is:
**A. Parliament to King Charles I**
