This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Anatomy
All of the following statement about vincristine are true except 
Select and explain. 
A. It is cell cyclic specific and kills cells in the S phase, B. Its toxicity primarily affects bone marrow and epithelial structure, C. Folic acid reverses its toxic effects, D. It is a drug of choice for choriocarcinoma
D: It is a drug of choice for choriocarcinoma
Answer: D: It is a drug of choice for choriocarcinoma 
Explanation: Ref-KDT 6/e 824,825 Vincristine is a vinca allkaloid. It acts in M-phase of cell cycle by inhibiting the formation of spindle. It is a marrow sparing drug and causes peripheral neuropathy as a prominent adverse effect. It is used for the treatment of hematological malignancies like Hodgkin's lymphoma and leukemias.It is ineffective against solid tumors.