What is the answer and why? And why other answers are not suitable for the right answer?

Maxim, John, and Kate form JVC Company. They can participate in the management of the business A) Only to the extent that they assume personal liability for the firm's debts B) Only to the extent of the amount of their investments in the firm C) Only to the extent expressly allowed by the founders, statute and documents of the business regardless of the amount of investment D) To any extent E) To no extent