Some officials both at the Treasury Department and the Securities and Exchange Commission recently said in off-the-record conversations that it may be a good idea to require that all large and highly leveraged banks should decrease their debt and should increase their asset base

• A. to require that all large and highly leveraged banks should decrease their debt and should increase their asset base
• B. requiring that all large and highly leveraged banks decrease their debt and increase their asset base
• C. to require of all large and highly leveraged banks the decreasing of debt and an increase in their asset base
• D. to require all large and highly leveraged banks to decrease their debt and increase their asset base