Mr King asked her children to wear warm clothes to protect them _____ catching old.(用介词填空)

Mr King asked her children to wear warm clothes to protect them _____ catching old.(用介词填空)
Mr King asked her children to wear warm clothes to protect them _____ catching old.(用介词填空)

Mr King asked her children to wear warm clothes to protect them _____ catching old.(用介词填空)
against
from
都可以
protect sb.against /from 都表示保护某人以抵御/防止/远离 什么等等.

from
against

from

protect sb. from sth. 使某人免于...