Which of the Following Lists Events in the Proper Order

Which of the following lists events in the proper order to reflect how natural selection works in a population of lice that could originally be controlled by permethrin?

A) A louse population evolves resistance to permethrin; permethrin is used to kill lice; lice become more common in schoolchildren.
B) Some lice are resistant to permethrin; permethrin is used to kill lice; lice resistant to permethrin become the most common type.
C) Permethrin resistance is common in lice; permethrin is used to kill lice; most lice become sensitive to permethrin.
D) Permethrin is used to kill lice; individual lice change in order to survive exposure to permethrin; most lice become resistant to permethrin.