单选题 Which of the following is the primary income-earning asset of commercial banks?

A、

A. Time deposits.
B、

B. Loans outstanding.
C、

C. Demand deposits.

【正确答案】 B

【答案解析】Loans are the primary income-earning assets of commercial banks. Deposits are a bank's liabilities. Reserves held as cash do not earn income for a bank.