单选题 When budgeting the ______ of money you can live on, don't include dollars that you can't be sure you'll receive, such as year-end bonuses and tax refunds.

(A) amount
(B) number
(C) cost
(D) value

【正确答案】 A

【答案解析】[理由] 原句空格后有不可数名词money，根据语意及用法，得知(A)应为正选。