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
A 61-year-old male with a history of chronic arthritis complains of pronounced tinnitus. He also has some dizziness, with headache. Physical examination reveals some scattered petechiae over the upper extremities. At stool guaiac test result is positive. Which of the following drug toxicities best explains these findings - 
Select and explain. 
A. Penicillin, B. Tetracycline, C. Aspirin, D. Chlorpromazine
C: Aspirin
Answer: C: Aspirin 
Explanation: Ans-C