Which of the following are correct?

A. A company may issue debentures with option to convert them to shares, either wholly or partly at the time of redemption.

B. Such issue has to be approved by a special resolution passed at a general meeting

C. Debentures with voting rights can be issued

D. Secured debentures cannot be issued

E. The debenture trustee has to take steps to protect the interest of debenture holders.

Choose the most appropriate answer from the options given below: