【题目】More expressways in Sichuan soon to promote the local economy.
A.are being built
B.will be built
C.have been built
D.had been built

【答案】B
【解析】句意：四川将建设更多的高速公路以促进当地的经济。根据时间状语soon可知，考查了将来时，故选择B。