Archaeologists in Ireland believe that a recently discovered chalice, which dates from the eighth century, was probably buried to keep from being stolen by invaders.
Archaeologists in Ireland believe that a recently discovered chalice, which dates from the eighth century, was probably buried (to keep from) being stolen by invades.
1.to keep from
2. to keep it from
3. to avoid
4. in order that it would avoid
5. in order to keep from
答案是B
OG 对于C的解释是: this suggests taht the chalice acts to prevent itsown theft 对于avoid 和keep it from 没有理解好 请大神讲解