Sentence Correction

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.
(A) to keep from
(B) to keep it from
(C) to avoid
(D) in order that it would avoid
(E) in order to keep from


Pls suggest the answer.

Hello! This is the message forum to ask questions to GMAC, the makers of the GMAT exam. Unfortunately, we cannot help you with individual practice questions. Please re-post these questions in one of the main message boards, where I am sure other students and tutors will be glad to help you. Good luck in your studies!

Rebecca