A Recent Hurricane Has Disrupted the Local Sewage Facilities in Your

A recent hurricane has disrupted the local sewage facilities in your community.A water sample is filtered to trap suspected fecal contaminants and the filter is transferred to an eosin methylene blue (EMB) agar plate.On the following day you note growth and a bright green sheen on some of the colonies.The green colonies are most likely to be

A) Gram-negative bacteria
B) Gram-positive bacteria
C) Unable to ferment lactose
D) Viruses