Hybridomas are the fusion product of

Question

$\begin{array}{1 1} (a)\;\text{ Normal antibody producing cell with myeloma } \\ (b)\; \text{ Abnormal antibody producing cell with myeloma} \\ (c)\;\text{ *** cells with myeloma} \\ (d) \; \text{ Bone cells with myeloma} \end{array}$