________ his scientific work, he has no time to care for his family affairs, which his wife always

complains about.[ ]

A. Devoting to  

B. Devoted to

C. Being devoted with  

D. Devoted with

权益净利润率是资产净利润率和( )的乘积。

A．资产总额

B．所有者权益总额

C．权益乘数

D．销售收入总额