Almost one out of six of the students took part in the party yes

Almost one out of six of the students took part in the party yesterday.

A.昨天，六个学生中有一个参加了聚会。

B.昨天，六个学生全部参加了聚会。

C.昨天，几乎有六分之一的学生参加了聚会。

正确答案是C