Which of the Following Statements Is FALSE

Which of the following statements is FALSE?

A) A firm's market capitalisation is determined by the difference in the market value of its assets and its liabilities.
B) We can measure a firm's sensitivity to interest rates by computing the duration of its balance sheet.
C) Just as the interest rate sensitivity of a single cash flow increases with its maturity, the interest rate sensitivity of a stream of cash flows increases with its duration.
D) By restructuring the balance sheet to increase its duration, we can hedge the firm's interest rate risk.