单选题 Which of the following sources of short-term liquidity is considered reliable enough that it can be listed in the footnotes to a firm's financial statements as a source of liquidity?

A、

A. Revolving line of credit.
B、

B. Blanket lien.
C、

C. Uncommitted line of credit.

【正确答案】 A

【答案解析】With an uncommitted line of credit, the lender is not committed to make loans in any amount. A revolving line of credit is typically for a longer period and involves an agreement to lend funds in the future up to some maximum amount. A blanket lien is a claim against all firm assets.