中国农业生产工具演变的趋势是                                 

A．石器——铁器——青铜器

B．青铜器——石器——铁器

C．铁器——石器——青铜器

D．石器——青铜器——铁器

Trung and Pham were working together as the only two partners in an unlimited partnership. Their main business was the provision of building and renovation services to commercial properties. Their biggest project was carrying out improvements on a hotel in their city.In ordering building materials needed for the work to be done, Trung placed an order for an excessive volume of materials in order to carry out work on his own behalf with the excess materials. The intention was to make a personal profit without Pham being aware of this. However, Pham discovered that the excessive order had been placed and demanded that Trung give full details of this and any other transactions he had entered into. Trung refused to provide this information and resigned from the partnership immediately, stating that he would bear no further liability for the partnership’s obligations. Only half of the work necessary to complete the hotel project has been done.Required:

(a) Advise whether Trung can resign from the partnership without incurring any obligations for the work carried out on the hotel and for accounts payable by the partnership. (5 marks)