<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 65-year-old man presents to the emergency department with a fever and weakness. He states his symptoms started yesterday and have been gradually worsening. The patient has a past medical history of obesity, diabetes, alcohol abuse, as well as a 30 pack-year smoking history. He lives in a nursing home and has presented multiple times in the past for ulcers and delirium. His temperature is 103F 39.4C, blood pressure is 12288 mmHg, pulse is 129min, respirations are 24min, and oxygen saturation is 99 on room air. Physical exam is notable for a murmur. The patient is started on vancomycin and piperacillin-tazobactam and is admitted to the medicine floor. During his hospital stay, blood cultures grow Streptococcus bovis and his antibiotics are appropriately altered. A transesophageal echocardiograph is within normal limits. The patients fever decreases and his symptoms improve. Which of the following is also necessary in this patient?? A: Addiction medicine referral, B: Colonoscopy, C: Repeat blood cultures for contamination concern, D: Replace the patients central line and repeat echocardiography, E: Social work consult for elder abuse,  <response>: This is a clinical vignette about a 65-year-old man with fever, weakness, and bacteremia due to Streptococcus bovis. Key points from the vignette:- Elderly patient with multiple comorbidities including diabetes, alcohol abuse, smoking history, and previous ulcersdelirium. - Presented with fever, murmur, bacteremia due to Strep bovis. - Blood cultures were appropriately treated and repeat TEE was normal.- Strep bovis bacteremia is associated with colon cancer and other GI pathology. The question is asking what other test is necessary in this patient. Based on the association between Strep bovis and colon cancer, a colonoscopy would be indicated to evaluate for colon cancer or other colonic abnormalities that could be the source of the bacteremia.B: Colonoscopy 