When she hears that her student has gone to town, she becomes ve

When she hears that her student has gone to town, she becomes very worried and determines to bring him back _______.
A、safe
B、safety
C、safely
D、carefully
【正确答案】：C
【题目解析】：空格修饰 bring him back 因此要用副词形式，排除AB 根据句意是要把他安全地带回来，因此C 符合题意。