A:/:all
B:/:the
C:the;all
D:the ;the
I was ________ excited at that moment ________ I didn't know what to say.
某中学要了解八年级学生的视力情况,在全校八年级240名学生中随机抽取了25名学生进行检测,在这个问题中,样本容量是____.