—Thank god, you finally returned home .
—You can never imagine how I worried about you when I was told about the terrible accident.
A. safely
B. safe
C. separately
D. cleverly
网友回答
A. safely
(答案→)B. safe
C. separately
D. cleverly
解析：形容词做伴随状语，相当于You finally returned home and you were safe.