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: Medicine
Foster's test is used in the diagnosis of- 
Select and explain. 
A. Spastic type of cerebral palsy, B. Hypotonic CP, C. Choreo athetotic CP, D. Myasthenia gravis
A: Spastic type of cerebral palsy
Answer: A: Spastic type of cerebral palsy 
Explanation: None