MHT CET Chemistry question

Which of the following is the reduction half – reaction for a storage battery?

• (A)Correct
• (B)
• (C)\mathrm{Pb_{(s)} + PbSO_{2(s)} + 2H_2SO_4 \rightarrow 2PbSO_{4(s)} + 2H_2O}
• (D)\mathrm{PbSO_{4(s)} + 2H_2O \rightarrow Pb_{(s)} + PbO_{2(s)} + 2H_2SO_4}