The correct answer is A. 2.
A private company is a company that is owned by private individuals or groups of individuals. It is not listed on a stock exchange and is not required to disclose its financial information to the public. Private companies can be formed by one person or by multiple people. The minimum number of members required to form a private company is two.
Option B is incorrect because a private company can be formed by two or more people.
Option C is incorrect because a private company can be formed by two or more people.
Option D is incorrect because a private company can be formed by two or more people.