Therapies that target intracellular pathways are mostly oral therapies because: A. medication resistance does not occur

[answerhappygod]

Therapies that target intracellular pathways are mostly oral
therapies because:
A. medication resistance does not occur with targeted
agents.
B. these medications are directed toward nonspecific
molecules
C. there is a need for long-term inhibition of signaling.
D. these agents are responsible for initiating cell
division.