Which of the Following Statements Is Incorrect

Which of the following statements is incorrect?

A) As companies issue more debt, their ratios deteriorate and their credit rating weakens.
B) Large, profitable firms tend to carry less debt because of using cash from operations for financing.
C) Investment -grade companies have higher coverage and less debt than companies with non-investment grade bonds.
D) Companies with investment -grade companies tend to have larger cash flow to debt and less liquidity, than companies with non-investment grade bonds.