`BCl_(3)+LiAlH_(4)toA+LiCl+AlCl_(3)`
`A+H_(2)OtoB+H_(2)`
`Boverset("Red heat")(to)C`. In this reaction sequence A, B and C compounds respectively are :
A. `B_(2)H_(6),B_(2)O_(3),B`
B. `B_(2)H_(6),B_(2)O_(3),B_(2)O_(3)`
C. `B_(2)H_(6),H(3)BO_(3),B`
D. `HBF_(4),H_(3)BO_(3),B_(2)O_(3)`