Pigment producing atypical mycobacteria -: (A) M. fortuitum and M. chelonae, (B) M. xenopi and MAC, (C) M. gordonae and M. szulgai, (D) M. ulcerans
Answer is C. Pigment producing atypical mycobacteria:

Photochromogen: M marinum, M simiae, M. asciaticum, M kansasii,
Scotochromogen: M. scrofulaceum, M szulgai, S.gordonae