The young writer’s first book ______next month is based on a real person and event.

A．published

B．publishing

C．to be published

D．to publish

可用于还本付息的资金偿还借款本息保障程度的偿债能力指标被称为（）。

A.利息备付率

B.偿债备付率

C.资产负债率

D.资产利润率