A 5yrs boy was given 8 days of cefaclor of a 10 days of course.The child develops low grade fever, malaise lymphadenopathy, irritability, generalized erythematous rash which are pruritic.Possble diagnosis is -

• A. Infectious mononucleosis
• B. Type 3 hypersensitivity
• C. Kawasaki disease
• D. Partially treated meningitis