评定混凝土强度试件的规格是( )

A.70.7mm*70.7mm*70.7mm

B.100mm*100mm*100mm

C.50mm*50mm*50mm

D.150mm*150mm*150mm
出自:河南城建学院-建筑工程技术(高起专)-建筑施工(高起专)