Read the set of informations given below carefully and then answer the subsequent questions :
I. There is a group of seven persons in a family, A, B, C, D, E, F and G. They all apeared in an I.Q. to test their intelligence.
II. There are two married Couples in the family and three females in total.
III. G, a female, is the most intelligent.
IV. B, the father of E, is more intelligent than his son.
V. C has one son and one daugter. She is more intelligent then her husband.
VI. The father of B is more intelligent than B himself.
VII. E, the grandson of F, is the least intelligent. F, the grandfather, is the second most intelligent in the family.
VIII. The mother of B is less intelligent than B.
IX. None among the married topped the I.Q. test.
X. The grandfather of G has two sons, one of whom is D, who is more intelligent than his brother but less intelligent than his wife.
XI. Nobody is a widow or a widower in the family.
In each of the following letter series, some of the letters are missing which are given in that order as one of the alternatives below it. Choose the correct alternative.