答案：C

题目分析：考查副词辨析，A. quietly安静地B. actually事实上C. gradually渐渐地D. practically实际上，句子意思“在护士的悉心照顾下，这个男孩渐渐地从心脏手术复原了”

点评：考查以ly结尾的副词辨析，做此类题时，根据上下文的语境来进行，放在上下文中去辨析理解

即学即练：－Have you finished your experiment report, Jane?

－Oh, my God. I’ve _______ forgotten all about that.

A. strongly           B. extremely       C. entirely       D. freely

选C