根据下列句子所给汉语意思，写出空缺处各单词的正确形式。

1. _______(事实上), on second thought, I don't think I want to go out tonight.

2. He caught a cold yesterday and ______(遭受) from a headache last night.

3. He was too ________(顽固的) to admit that he was wrong.

4. It is surprising that he can speak _______(流利的) English after such a short time in England.

5. Mr. Wang went back to work after he fully ________(恢复) from the operation.

【注】①三城戍：西山三城的堡垒，三城，与吐蕃临界，为蜀边要塞。②南浦句：南浦，泛指送别之地。万里桥，在成都杜甫草堂的东边。③涓埃：细流与微尘，比喻微小。

从“切合题目”的角度分析本诗，恰当的一项是（）。

A.第一、二句中的“西山”“南浦”切合“野”字。

B.第三、四句“海内”“天涯”切合“野望“二字。

C.第五、六句中的“迟暮”“涓埃”切合“望“字。

D.第七句中的“出郊”“极目”切合“野望”二字。