Answer:
C : in at least two different accounts
Explanation:
As there is an effect of any transaction on at-least 2 accounts that is each general transaction has an entry with two accounts involved.
Thus, whenever an accounting entry is to be done, it will involve 2 accounts, though both the accounts might be of asset, or one of asset and one of liability.
In each case, the entry will keep the accounting equation balanced.
Therefore, correct option is
Statement C