You are answering a USMLE-style medical question. Question: A 64-year-old man with a history of type 2 diabetes mellitus is referred to a urologist. The patient has had pain when urinating and difficulty starting a stream of urine for over 4 months now. He is bothered because he has to urinate about 9 times every day, including several times when he wakes up at night. A digital rectal examination revealed multiple hard nodules in the prostate gland. A CT scan shows a nodule in the right lung that measures 3 cm. An ultrasound scan of his urinary bladder and prostate shows residual urine of > 200 mL and heterogeneous findings of the prostate gland. Biopsy reveals grade 2 prostate adenocarcinoma. Follow-up 9 months later shows his prostate cancer is well controlled with goserelin. If one considers pulmonary nodules that are the same size as this patient’s, which of the following additional findings on CT scans would most likely prompt the removal of such nodules? Options: A) ‘Popcorn’ pattern B) Subsolid component C) Extending fine striations D) Doubling time of < 1 month Reply with ONLY the letter of the correct answer (A, B, C, or D). No explanation.