People in Edinburgh began to ignore Burns when he went there next winter because
A.his trips there were too frequent
B.their interest in his poems began to decrease
C.they disapproved of his habits
D.they could not catch up with his fast-paced life style
论TRIPS协定关于专利权的主要规定及其在哪些方面扩大了对专利权的保护。(南京财经大学2010、2007年研)