问题补充：
The child came back from a dangerous situation.
A. safely and sound
B. safely and soundly
C. safe and sound
D. soundly and safe
答案：
@@A. safely and sound@@B. safely and soundly@@(答案→)C. safe and sound@@D. soundly and safe
解析：本题考查形容词短语作状语的用法，safe and sound意思是“安然无恙”。
