The Student Nurse Is Questioning the Instructor About the Different

The student nurse is questioning the instructor about the different types of chemotherapeutic agents used to treat cancer.Which statement by the instructor best explains why lung cancers are less sensitive to antineoplastic agents than other types of cancers?

A) "Lung cancer cells have a low growth fraction,so they are less sensitive to antineoplastic agents."
B) "Lung cancer cells grow in a high-oxygen environment,so they are not very sensitive to antineoplastic agents."
C) "Lung cancer cells have been growing for a long time before detection,so they are less sensitive to antineoplastic agents."
D) "Lung cancer cells have a very erratic cell cycle,so they are not very sensitive to antineoplastic agents."