问题补充：
. are allowed to take part in the outdoor activities.
A. Old enough children to dress themselves
B. Children enough old to dress themselves
C. Children old enough to dress themselves
D. Enough old children to dress themselves
答案：
A. Old enough children to dress themselves
B. Children enough old to dress themselves
(答案→)C. Children old enough to dress themselves
D. Enough old children to dress themselves
解析：old 修饰enough 放在enough的前面。此句中。Old enough to do sth 做Children的后置定语。
“那些足够大能穿衣服的孩子们被允许参加户外活动。”
