When asked about their opinions about the schoolmaster, many teachers would prefer to see him step aside ________ younger men.(2011·湖北，30)

A．in terms of

B．in need of

C．in favor of

D．in praise of

供一级负荷的配电所或大型配电所，当装有弹簧储能操动机构的断路器时，宜采用小容量镉镍电池装置作为合、分闸操作电源。()