A 48-month-old child is scheduled to receive the following vaccines: MMR, Varivax, IPV, and DTaP. The child's parents want the child to receive two vaccines today and the other two in 1 week. To accommodate the parents' wishes, the nurse will administer
a. the DTaP and Varivax today and the MMR and IPV in 1 week.
b. the IPV and MMR today and the Varivax and DTaP in 1 week.
c. the MMR and DTaP today and the Varivax and IPV in 1 week.
d. the MMR and Varivax today and the DTaP and IPV in 1 week.