You are answering a USMLE-style medical question. Question: A 3-week-old male newborn is brought to the physician because of an inward turning of his left forefoot. He was born at 38 weeks' gestation by cesarean section because of breech presentation. The pregnancy was complicated by oligohydramnios. Examination shows concavity of the medial border of the left foot with a skin crease just below the ball of the great toe. The lateral border of the left foot is convex. The heel is in neutral position. Tickling the lateral border of the foot leads to correction of the deformity. The remainder of the examination shows no abnormalities. X-ray of the left foot shows an increased angle between the 1st and 2nd metatarsal bones. Which of the following is the most appropriate next step in the management of this patient? Options: A) Foot abduction brace B) Arthrodesis of the forefoot C) Reassurance D) Tarsometatarsal capsulotomy Reply with ONLY the letter of the correct answer (A, B, C, or D). No explanation.