Match List I (Cells) with List II (Tumours that develop from them) and select the correct answer using the codes given below the lists.
| List I (Cells) | List II (Tumours that develop from them) |
| A. Leydig cells | 1. Carcinoid tumour |
| B. B cells | 2. Medullary carcinoma |
| C. Parafollicular cells | 3. Interstitial cell tumour |
| D. Argentaffin cells | 4. Insulinoma |