Twelve 1H inductors are used as edge to form a cube. The inductance between two diagonally opposite corners of cube is

• A. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>5</center></td><td rowspan="2">H</td></tr><td align="center">6 </td></table>
• B. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>10</center></td><td rowspan="2">H</td></tr><td align="center">6 </td></table>
• C. 2 H
• D. <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3</center></td><td rowspan="2">H</td></tr><td align="center">2 </td></table>