"I'm Going to Hold My Breath Until I Turn Blue

"I'm going to hold my breath until I turn blue and stop breathing and die and it will be all your fault!" shrieked the 6-year-old at her father. The child was unable to carry out her threat because

A) she never stopped talking long enough to try to hold her breath.
B) increased CO₂ and hydrogen ion concentration and decreased oxygen concentration stimulate chemoreceptors.
C) decreased CO₂ and hydrogen ion concentration and increased oxygen concentration stimulate chemoreceptors.
D) she could not take in enough oxygen.