the ointment to the wound, the nurse carefully wrapped it up with a bandage.
A. Treated
B. Having treated
C. Applied
D. Having applied
网友回答
A. Treated
B. Having treated
C. Applied
(答案→)D. Having applied
解析：本题考查非谓语动词。apply … to…运用于，应用于，逻辑主语为the nurse，与apply之间的关系为主动，故用现在分词，选B。