Towards evening the patient opened his mouth as if something to his son.A. said B. say

问题补充：

Towards evening, the patient opened his mouth as if something to his son.

A. said

B. say

C. to say

D. to have said

答案：

A. said

B. say

(答案→)C. to say

D. to have said

解析：“as if+不定式短语”在句中作方式状语。