If a + 1 = b + 1 = c + 1 (a b c), then the value of abc is bca

• A. 1
• B. 2
• C. 0
• D. <table><tr><td rowspan="2"> </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>