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
Which of these is not associated with Loeffler’s syndrome? 
Select and explain. 
A. Toxocara, B. Strongyloides stercoralis, C. L. tryptophan, D. Giardiasis
D: Giardiasis
Answer: D: Giardiasis 
Explanation: Loeffler’s syndrome causes are as follows:
• Ascaris
• Ancylostoma sp.
• Toxocara sp.
• Strongyloides stercoralis
• W bancrqfti or W malayi
• Trichomoniasis
• Clonorchiasis
• Visceral larva migrans, etc.