A dozen ideas were considered the chief architect decided on the design of the building.
A. because
B. before
C. whether
D. unless
网友回答
A. because
B. before
C. whether
D. unless
解析:before意为“在……之前”,引导时间状语从句,表示在决定这个建筑物的设计之前考虑了十几个意见。because意为“因为”,引导原因状语从句。whether意为“是否”,常用于引导名词性从句或让步状语从句。unless意为“如果不,除非”,引导条件状语从句。