The correct option is B Penicillium chrysogenum
Penicillium chrysogenum is a fungus, previously known as Penicillium notatum. It is the source of several -lactam antibiotics, most significantly penicillin. Penicillium chrysogenum is a fungus, common in temperate and subtropical regions and can be found on salted food products, but it is mostly found in indoor environments, especially in damp or water damaged buildings.