(2013·厦门二检)Helena was excited, just as I had imagined, her lost pet.
A. finding
B. found
C. having found
D. to find
网友回答
A. finding
B. found
C. having found
(答案→)D. to find
解析：选D 考查非谓语动词。句意：正如我所想象的，Helena找到了她丢失的宠物很兴奋。分析句子结构可知，主句为：Helena was excited to find her lost pet.此处用动词不定式表原因。