When the Patient with a Platelet Count of 20,000/mm³ Receives

When the patient with a platelet count of 20,000/mm³ receives 1 unit of platelets,the platelet count should rise to:

A) 25,000 to 30,000/mm3
B) 35,000 to 40,000/mm3
C) 45,000 to 50,000/mm3
D) 55,000 to 100,000/mm3