单选题 If the cost of goods sold increases and inventory decreases, the number of days of inventory most likely:
A. decreases.
B. remains unchanged.
C. increases.

【正确答案】 A

【答案解析】[解析] 存货周转天数(number of days of inventory)=365/[COGS/存货(inventory)]，所以COGS增加而存货减少，会导致存货周转天数减少。