Consider the following statements
1. Breeder reactor produces more plutonium that what it consumes
2. Zirconium is used as a shield material
3. Lead is the commonly used moderator
Of these the ones which are not correct will include
(a) 4, 2 and 3 (b) 1 and 2 (c) 2 and 3 (d) 1 and 3