Which is corrcet for plant breeding.

• A. Collection of variabilityselection of recombinationhybridization among parentstesting and commercilization of new cultivation.
• B. Collection of variabilityselection of parentshybridization among parents selection of recombinationtesting and commercialization of new cultivation.
• C. Selection of recombinationcollection of variabilityselection and hybridization of parentstesting and commercialization of new cultivation.
• D. Selection of parentshybridization among parentscollection of variability selection of recombinationtesting and commercialization of new cultivation.