If P, Q and R are subsets of a set A, then $ R \times (P^c \cup Q^c)^c$ =

Question

$\begin {array} {1 1} (A)\;(R \times P) \cap (R \times Q) & \quad (B)\;(R \times Q) \cap (R \times P) \\ (C)\;(R \times P) \cup (R \times Q) & \quad (D)\;\text{None of these } \end {array}$