Classical Symptoms of Impending Shock in a Child Who Is

Classical symptoms of impending shock in a child who is dehydrated are:

A) decreased skin elasticity, flat fontanel, decreased urine output
B) azotemia, rapid thready pulse, mottled skin, low blood pressure
C) dusky and grayish skin color, increased weak pulse, depressed fontanel
D) decreased tears, oliguria, depressed fontanel, slightly increased pulse