Identify the correct statement for $B_2H_6$ from those given below.

(A) In $B_2H_6$, all $B-H$ bonds are equivalent.
(B) In $B_2H_6$, there are four 3-centre-2-electron bonds.
(C) $B_2H_6$ is a Lewis acid.
(D) $B_2H_6$ can be synthesized from both $BF_3$ and $NaBH_4$.
(E) $B_2H_6$ is a planar molecule.