—I hear that a new park in the center of the city by 2012.—That’s greatA. will build B. wi

—I hear that a new park in the center of the city by 2012.
—That’s great
A. will build B. will be built C. was built

解析：考查时态及语态。一座新公园应该是被建，故用被动语态，可排除A，根据语境新公园还没建，故用将来时态，所以选B。

收益了