单选题 The development of (new building materials) and mass-production techniques (brought) significant changes (to architecture) in the first quarter of (the twentieth century).

A、 new building materials
B、 brought
C、 to architecture
D、 the twentieth century

【正确答案】 A

【答案解析】将new building materials改为of new building materials。development与new building materials是一种所属关系，意思是“新的建筑材料及大规模生产技术的发展”。