题目

Nick’s father kept telling him that he should study harder, but ____ didn’t help.     A. these             B. he         C. which           D. it   答案：Dit指前面整个句子的情况。17世纪初，热衷于谈论“君权至上，信仰得救和殖民贸易”话题的居民可能生活在（ ）A．佛罗伦萨B．拜占庭C．广州D．伦敦