The rules of double entry states that

A.

For every debit entry, there must be a corresponding debit entry

B.

For every credit entry, there must be a corresponding credit entry

C.

All transactions must be recorded in two accounts, one account is debited and another is credited

D.

All transaction must be credited

Correct answer is C

Double entry system is the entry of debit and credit for each transaction in the ledger. Hence the double entry rules states that "debit the receivers, credit the giver".