She bought ________ eggs yesterday, but there were ________ them broken.[ ]

A. two scores of, scores of

B. scores of, two scores of

C. scores of, two score of

D. score of, two scores

一个能装500g 水的玻璃瓶，装满水后的总质量是750g ，用该瓶装密度是0.8g/cm³的酒精，求装满酒精后的总质量。（ρ_水=1.0 ×10³kg/m³）