Study the following information carefully and answer the questions given below:
(i) '`P xx Q`' means 'P is the sister of Q'.
(ii) 'P+Q' means 'P is the mother of Q'.
(iii) 'P-Q' means 'P is the father of Q'.
(iv) '`P -: Q`' means 'P is the brother of Q'.
Which of the following represents 'D is the grandson of A'?

Options

A. `A+ B- C -: D`
B. `A -: B- C xx D`
C. `A xx B+ C -:D`
D. None of these

Answer

D

Explanation