.The dying old man opened his mouth as if something.Ato sayB．sayingC．to have saidD．was s

问题补充：

.The dying old man opened his mouth as if something.A．to sayB．sayingC．to have saidD．was saying.A

答案：

(答案→)A

解析：as if 后可以接不定式，在句中作状语。