This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
The infective form of toxoplasma gondii is- 
Select and explain. 
A. Oocyst, B. Bradycyst, C. Tachyzoite, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: All of the above