单选题 The company's ability to meet its obligations as they come, due ______.

A、 is only determined by the amount and timing of its cash available
B、 is only determined by the amount and timing of calls on its cash
C、 is only determined by the amount of its cash available and the amount of calls on its {:ash
D、 is determined by both the amount and timing of cash available and the amount and timing of calls on cash

【正确答案】 D

【答案解析】