问题补充:
A dozen ideas were considered the chief architect decided on the design of the building.
A. before
B. whether
C. unless
D. because
答案:
(答案→)A. before
B. whether
C. unless
D. because
解析:考查连接词。句意“在总建筑师对大楼的设计作出决定前,有十二个想法被考虑了。”根据句意可知,应该用连接词before“在......之前”。故选A。