Which statement is correct for $B_2H_6$?

• A
  $4$ terminal $B-H$ bonds are of equal length and $2$ bridge $B-H$ bonds are of another equal length.
• B
  The $H-B-H$ bond angles are $120^{\circ}$ and $97^{\circ}$.
• C
  The terminal $B-H$ bond length is $119 \text{ pm}$ and the bridge $B-H$ bond length is $134 \text{ pm}$.
• D
  All of these