Which of phrases given in the sentence below should replace the phrase printed in bold type to make it grammatically correct? If the sentence is correct as it is, mark '5' as the answer.Theyare not beware ofall the facts.

Which of phrases given in the sentence below should replace the phrase

1.	Which of phrases given in the sentence below should replace the phrase printed in bold type to make it grammatically correct? If the sentence is correct as it is, mark '5' as the answer.Theyare not beware ofall the facts.
A.	are not aware for
B.	are not aware of
C.	are not to be aware
D.	must not to be aware for
Answer» C. are not to be aware