工程量按照体积计算的是( )。

A．防腐混凝土面层

B．防腐砂浆面层

C．块料防腐面层

D．砌筑沥青浸渍砖

—Do you need any help, Lucy?

—Yes, The job is ________ I could do myself.

A．less than

B．more than

C．no more than

D．not more than