Which of the Following Regarding for Low-Barrier Hydrogen Bonds Is

Multiple Choice

Which of the following regarding for low-barrier hydrogen bonds is correct?

A) The barrier that the hydrogen atom must surmount to exchange oxygens becomes higher.
B) The interactions are not like covalent bonds.
C) The bond order approaches 2 for both O-H interactions.
D) The hydrogen is centred between the 2 heteroatoms.