She thought I was praising her child， ，in fact，I was scolding him for his bad behaviors at school.
A. what
B. while
C. so that
D. therefore
网友回答
A. what
(答案→)B. while
C. so that
D. therefore
解析：句意，她认为我在表扬她的孩子，然而，事实上，我在批评他在学校的不好的行为。What什么 while 然而 so that结果 therefore因此，根据题意，故选B。