In diborane, the two $\mathrm{H}-\mathrm{B}-\mathrm{H}$ angles are nearly

• A

  ${60}^0, {120}^0$

• B

  ${97}^0, {120}^0$

• C

  ${95}^0, {150}^0$

• D

  ${120}^0, {180}^0$