Final answer:
Option C is the true statement about representative government during the colonial period. Each of the thirteen colonies had its own government and written constitution, and the colonial assemblies were the representative bodies that had significant powers.
Step-by-step explanation:
During the colonial period, each of the thirteen colonies had its own government and written constitution, so option C is the true statement about representative government. The colonial assemblies, which were the representative bodies of each colony, had the power to initiate legislation, control the budget, and petition the monarchy for the redress of grievances. Although they were far from democratic by modern standards, the colonial assemblies played a significant role in representing the interests of their local entities.