A central midline neck swelling is noted in a 4year old girl posted for tonsillectomy.The swelling is, pain less, mobile and cystic, just below the hyoid bone of size 2 X 1.1 X 1 cm. U/S showed a thick walled cystic lesion.Management would include -

• A. Percutaneous aspiration
• B. Chest X-ray
• C. Surgical removal
• D. Antiboitics