In the evaluation of pledge purpose, for proprietary assets for personal use, if the pledgor has difficulties in its own operation, the proprietary assets should be ().

Answer: B

For proprietary assets for personal use, if the pledgor has difficulties in its own operation, the implementation of the proprietary assets will be stopped; The licensing agreement of patented assets that have been licensed to others will generally not be lost due to the transfer of ownership of patented assets, and the licensee can still continue to use them according to the agreement, so the two should be distinguished.