Under the same fact situation as above, suppose that the following restrictions hold good:
(A) A can be included provided C is included.
(B) E is included provided B or G included but not both.
(C) C can be included provided at least D or F is excluded.
Which one of the following is a certainty?

A

A, B, C, and E

B

A, C, D and F

C

B, C, D and E

D

A, B, C and F