(2013·吉林一中二模)Programs， to join the old and the young together, are growing in popularity all over the world.
A. designed
B. to be designed
C. designing
D. having designed
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(答案→)A. designed
B. to be designed
C. designing
D. having designed
解析：句意：把老年人和年轻人团结起来的计划在全世界都变得很流行。Programs与design是逻辑上的动宾关系，所以用动词ed形式。