Correctly matched :
A. `{:(,"P = O","P - OH","P - H"),(,"bonds","bonds","bonds"),("H"_(3)"PO"_(3),1,3,0):}`
B. `{:(,"P = O","P - OH","P - H"),(,"bonds","bonds","bonds"),("H"_(4)"P"_(2)"O"_(6),2,4,1):}`
C. `{:(,"P = O","P - OH","P - H"),(,"bonds","bonds","bonds"),("H"_(3)"PO"_(2),1,1,2):}`
D. `{:(,"P = O","P - OH","P - H"),(,"bonds","bonds","bonds"),("H"_(4)"P"_(2)"O"_(7),2,2,0):}`
