The little boy was allowed to go swimming _______ he kept near the other boys.

A．provided that

B．in case

C．now that

D．by the time

下列表现属于幻觉的是

A．“草木皆兵”
B．皮肤上有虫爬感
C．感觉自己眼睛一只特别大
D．感觉阳光特别刺眼
E．坚信自己的思想变成了声音