Answer:
B : an entry on the left side of an account.
Step-by-step explanation:
There are two terms i.e debit and credit.
The accounts that reported as an expense, losses, assets are recorded in the left-hand side of an account as it contains the debit balance.
While the account reported as a revenue, gains, liabilities & stockholder equity are recorded in the right-hand side of an account as it contains the credit balance.