问题
选择题
(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
答案
答案：A
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。