题干
Not a single word_______when _______about his late mother.
A：he said, asked
B：did he say, asked
C：he said, asking
D：did he say, asking
答案(点此获取答案解析）
B
A：he said, asked
B：did he say, asked
C：he said, asking
D：did he say, asking
有10个 
，共有多少个？