A 4 / 5 x (2 / 3 + 7 / 5)B (9 / 10 x 1 / 3) (4 / 5 ÷ 1 / 2)C (8 / 7 ÷ 3 / 9 ) + (9 / 4 - 1 / 2 )D (7 / 10 x 45 / 3 ) + ( 13 / 5 ÷ 14 / 4)?
A 4 / 5 x (2 / 3 + 7 / 5) B (9 / 10 x 1 / 3) (4 / 5 ÷ 1 / 2) C (8 / 7 ÷ 3 / 9 ) + (9 / 4 - 1 / 2 ) D (7 / 10 x 45 / 3 ) + ( 13 / 5 ÷ 14 / 4).