NEET 2005 Biology question

Using imprints from a plate with complete medium and carrying bacterial colonies, you can select streptomycin resistant mutants and prove that such mutations do not originate as adaptation. These imprints need to be used :

• (A)only on plates with streptomycinCorrect
• (B)on plates with minimal medium
• (C)only on plates without streptomycin
• (D)on plates with and without streptomycin