问题补充：
he was the last man I wanted to see, I did all that I could to help him.
A. As
B. Now that
C. While
D. As though
答案：
A. As
B. Now that
(答案→)C. While
D. As though
解析：考查连词：A. As因为，正如，B. Now that既然C. While虽然D. As though好像，句意：虽然他是我最不想见到的人，但我会尽力去帮助他。选C。
