The scientist told the reporter that onl
题型：选择题
问题：
The scientist told the reporter that only after he went abroad ______ what his motherland meant to him. [ ]
A. he realized
B. did he realize
C. had he realized
D. he had realized
The scientist told the reporter that only after he went abroad ______ what his motherland meant to him. [ ]
A. he realized
B. did he realize
C. had he realized
D. he had realized