Diborane B$$_2$$H$$_6$$ reacts independently with O$$_2$$ and H$$_2$$O to produce, respectively:

A

HBO$$_2$$ and H$$_3$$BO$$_3$$

B

H$$_3$$BO$$_3$$ and B$$_2$$O$$_3$$

C

B$$_2$$O$$_3$$ and [BH$$_4$$]$$^{-}$$

D

B$$_2$$O$$_3$$ and H$$_3$$BO$$_3$$