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: Ophthalmology
Which of the following organism produce corneal ulcer resembling fungal ulcers? 
Select and explain. 
A. Klebsiella species, B. Mycobacteria, C. Nocardia asteroides, D. Chlamydia
C: Nocardia asteroides
Answer: C: Nocardia asteroides 
Explanation: Ulcer caused by Nocardia asteroides can present with satellite lesions and is associated with trauma.