Drugs Such as Gleevec and Herceptin Represent a Modern

Drugs such as Gleevec and Herceptin represent a modern approach to cancer treatment because they

A) target specific gene alterations that occur in some cancers.
B) target metabolic pathways that are common to all cells.
C) enhance apoptotic pathways in all cells.
D) target proteins that are present in both normal and cancer cells, but that cancer cells rely on more than normal cells do.