JEE Main 2020 Chemistry question

In a molecule of pyrophosphoric acid, the number of P – OH, P = O and P – O – P bonds/moiety (ies) respectively are :

• (A)4, 2 and 0
• (B)2, 4 and 1
• (C)4, 2 and 1Correct
• (D)3, 3 and 3