The design __________all the ages and social groups is not easy to make.
A.appealed to
B.being appealed to
C.to be appealed to
D.appealing to
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D解析本题主干为The design is not easy to make，故所需成分应为修饰成分，此处用appealing to为现在分词作定语。句意为：能让各年龄段和社会群体感兴趣的设计方案不容易做。【标签】现分用法