After twenty years abroad, William came back__________ his homet

After twenty years abroad, William came back__________ his hometown changed beyond recognition.
A、to find
B、was to find
C、was finding
D、finding
【正确答案】：A
【题目解析】：该题考查的是不定式的用法。在该句中不定式作结果状语。B和C是谓语形式而句子已经有了谓语came back所以不对，D是分词形式，用分词时一般表示两个动作同时发生，表伴随。