---I’m sorry. I _________ at you the other day.

---Forget it. It was a bit out of control myself.

A．shouldn’t shout

B．shouldn’t have shouted

C．mustn’t shout

D．mustn’t have shouted

当材料吸水饱和时，其含水率称为吸水率，下列材料中属于吸水率低的是( )。

A．细微而连通孔隙的材料

B．连通孔隙的材料

C．封闭孔隙的材料

D．粗大孔隙的材料

E．粗大而连通孔隙的材料