--I hear Mr. Black is ill in hospital again.---What a poor man! I can’t help but sorry fo

问题补充：

--I hear Mr. Black is ill in hospital again.

---What a poor man! I can’t help but sorry for him.

A. feel

B. to feel

C. felt

D. feeling

答案：

(答案→)A. feel

B. to feel

C. felt

D. feeling

解析：考查固定搭配。固定搭配can’t help but do sth=can’t help doing sth，不得不做某事；忍不住做某事；句意：—我听说Mr. Black又生病住院了。—真是一个可怜人，我不得不为他感到遗憾。根据句意说明A正确。