4.3.5. What is the tax treatment of net losses in excess of the at-risk amount for an activity? A. Any loss in excess of the at-risk amount is suspended and is deductible in the year in which the activity is disposed of in full. B. Any losses in excess of the at-risk amount are suspended and carried forward without expiration and are deductible against income in future years from that activity. C. Any losses in excess of the at-risk amount are deducted currently against income from other activities; the remaining loss, if any, is carried forward without expiration. D. Any losses in excess of the at-risk amount are carried back 2 years against activities with income and then carried forward for 20 years