Malaysian Prime Minister announced on Monday that the missing Malaysia Airlines MH370 ended in the Southern Indian Ocean, but many said it lacked _____ evidence.

A．fierce

B．severe

C．solid

D．potential

运用可比公司定价法时采用的比率指标P/B代表（）。

A．市盈率

B．市净率

C．负债率

D．利润率