The secondary fuel used in nuclear power plants is

A)
U₂₃₃ and Pu₂₃₉
B)
U₂₃₅ and Th₂₃₂
C)
U₂₃₅ and Pu₂₃₈
D)
U₂₃₃ and Pu₂₃₈

Correct Answer : Option (A) :   U₂₃₃ and Pu₂₃₉