Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

If investors have homogeneous expectations, the market is efficient, and there are no taxes, no transaction costs, and no bankruptcy costs, Modigliani and Miller’s Proposition I states that:
Option A:bankruptcy risk rises with more leverage.
Option B:managers cannot change the value of the company by changing the amount of debt.
Option C:managers cannot increase the value of the company by employing tax-saving strategies.

Answer: B