R.T.A. Patient in E.R. , he start complain from Increase Pulse rate, Low blood pressure, and decrease level of consciousness, you must think that he develop

R.T.A. Patient in E.R. , he start complain from Increase Pulse rate, Low blood pressure, and decrease level of consciousness, you must think that he develop:
a. Urinary Tract Infection
b. Shock
c. Coma
d. Respiratory distress.