This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
A 40 year old female patient presents with excessive bleeding. Patient gives a history of road traffic accident 5 hours ago and had a lacerated wound on lower back region. Blood grouping test reveals presence of Anti A antibody, Anti B antibody, Anti H antibody and Anti Rh D antibody in the serum. This patient can receive transfusion from a donor having blood group- 
Select and explain. 
A. O positive, B. O negative, C. AB positive, D. Bombay blood group
D: Bombay blood group
Answer: D: Bombay blood group 
Explanation: H substance is genetically different from ABO but is a precursor of A and B antigens.
An O group individual who inherits A or B genes but fails to inherit H gene from, either parent is called Oh phenotype or Bombay blood group.
People with bombay blood group can receive blood only from the same blood group and its a universal donor.