Which of the following types of accounts are known as "Demat Accounts?

• A.  Accounts which are zero balance Accounts
• B.     Accounts which are opened to facilitate repayment of a loan taken from the bank. No other business can be conducted from there
• C.     Accounts in which shares of various companies are traded I electronic form
• D.     Accounts which are operated through internet banking facilities
• E.     None of these