Read the following information carefully and answer the question given below.

During a party, a game is being played. For the game, 9 people from A to I (mix of boys and girls) have to stand in a vertical row. Boys are wearing red t-shirts and girls are wearing pink t-shirts. The row starts at left and with a pink t-shirt. Boys and girls stand alternately in the row. Each position in the row can be occupied by one person only.
i) A stands seven places before B.
ii) Third pink t-shirt is C.
iii) Second boy after C is D.
iv) Fourth place in the row is occupied by E.
v) F stands ahead of A.
vi) G stands between C and A.
vii) I is a girl. 

Which of the following is a pair of boys ?