During the process of immunotherapy, cells are removed and genetically engineered with genes against tumors. This means that white blood cells will now
A. target all cells of the body for destruction.
B. display tumor antigens on their cell surface, which will then be released near tumors. The antigens destroy the tumors.
C. display tumor antigens on their cell surface, stimulating cytotoxic T cells to attack tumor cells.
D. stimulate surrounding cells to slow down or stop cell division, shrinking tumors.
E. display tumor antigens on their cell surface, meaning they will search and destroy any tumor cells.
Answer: C
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