Find out the valid statement

Question

$\begin{array}{1 1}a)\; Bicyclo\; [4.2.0]-7-octene\; has \;a \;faster\; rate\; of\; catalytic\; hydrogenation\; than \;bicycle\; [4.2.0]-3-octene \\b)\; Z-cyclohexene\; and \;Z-cyclodecene\; are\; each\; more\; stable\; than\; their\; E\; counterparts\\c)\; Trans-cyclooctene\; is \;a\; chiral\; molecule\; and\; trans-cyclodecene \;is\; not\\d)\; None\; of\; the\; above\end{array}$