同一生物体内，遗传物质不完全相同的细胞可能是（ ）
A：神经元
B：白细胞
C：精子
D：肌细胞
It was with great joy _______ he received the news ____ his lost son would soon return home.
The day before yesterday Jill____(borrow)a book from me．
下列说法或表达正确的是（ ）
